Answer:
it's either C or D
The students simulate a situation that might cause the reaction rate to decrease, such as having some people leave the dance floor while others move more quickly. So, the correct options are C and D.
What is Reaction rate?The pace at which a chemical reaction occurs is known as the rate of the reaction. It is proportional to the rise in product concentration per unit time and the fall in reactant concentration per unit time. Response times can differ wildly.
For instance, because it happens quickly, wood burning has a fast reaction rate, whereas iron rusting has a low rate of the reaction because it happens gradually.
For the aforementioned illustration, the students act out a scenario that can result in a slower reaction time, such as having some participants leave the dance floor whereas others move more swiftly.
Therefore, the correct options are C and D.
Learn more about Rate of reaction, here:
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The table lists the observations students made about four specimens under a microscope. Based on these observations, what specimens did the
students examine?
A. animal
B.plant
C.virus
D.prokaryote
1.cell membrane present
ribosomes present
lysosomes present
nuclear membrane present
2.cell wall present
ribosomes present
nuclear membrane absent
3.cell wall present
ribosomes present
nucleus present
large vacuole present
4.reproduces inside of a cell
nucleus absent
RNA present
Answer:
1. A
2. D
3. B
4. C
Explanation:
1. Lysosomes are properties only found in animal cells.
2. Prokaryotic cells such as bacteria present ribosomes, a cell wall but lack a nuclear memebrane.
3. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole.
4. Some viruses reproduce using the lytic cycle. In the lytic cycle, the virus attaches to the host cell and injects its DNA, therefore reproducing inside of a cell.
How do the process of DNA replication and the laws of inheritance help cells and individuals pass on their
traits?
DNA copying is otherwise known as DNA replication which is the process of producing 2 identical copies of DNA from one original DNA molecule during cell division. DNA copying is important because it generates variation during sexual reproduction which leads to evolution. Also, DNA copying helps in transfer of information or characters from the parents to the offsprings.
Mendel studied traits with only one mode of inheritance in pea plants. The inheritance of the traits he studied all followed the relatively simple pattern of dominant and recessive alleles for a single characteristic. There are several important modes of inheritance, discovered after Mendel’s work, that do not follow the dominant and recessive, single-gene model.
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HELP!!!! FAST!!!! 20 POINTS!!!! You are a traffic accident investigator. You have arrived at the scene of an accident. Two trucks of equal
mass (3,000 kg each) were involved in a rear-end accident at a stop sign. Here is what you know:
• Truck 1 started from rest at the top of a 22-meter hill and coasted toward the intersection.
.
Truck 2 was on a flat stretch of road at the bottom of the hill directly in front of Truck 1.
At the bottom of the hill, Truck 1 was going 20 m/s; Truck 2 was going 35 m/s.
.
There were no skid marks left by Truck 2. The collision occurred at the stop sign where Truck 2 had
stopped
• After the collision, both trucks moved together in the same direction at 10 m/s before slowly rolling
to a stop.
You must now push Truck 2, using 1,000 N of force, 8 meters off to the side of the road so no one
else gets hurt.
1. How much work was done to bring truck 2 to a stop? 2. If tuck 2 came to a stop In 15 seconds, how much power (in watts) did it take to stop truck 2 at the sign by applying force to the brakes? 3. What is the final combined momentum of the trucks right after the accident? 4. Assuming that there are no other no conservation forces involved, what impulse was given to each truck during the collision? A. Truck 1: B. Truck 2:
Answer:
1) Kinetic energy of the truck 1 is 600,000 joules.
Kinetic energy of the truck 2 is 1,837,500 joules.
2 a)Potential energy of truck 1 is 646,800 Joules.
b) Energy lose by the truck 1 just got converted into heat and sound energy during the collision.
Step-by-step explanation:
Mass of the truck 1 and truck 2,m = 3000 kg
Velocity of the truck 1, = = 20 m./s
Velocity of the truck 2, = 35 m./s
1. Kinetic energy of the truck 1:
Kinetic energy of the truck 2:
2.a) Energy loose by the truck 1:
Initial height of the truck on the hill = 22 m
At that height potential energy will be maximum:
Potential energy of truck 1 at that height =
b) Energy lost by the truck 1 just got converted into heat and sound energy during the collision.
help please I'm stuck
#life sciences
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I do think that they close to not allow too much of either water or air from entering.
the hollow tube allows water to flow easily.
https://www.bbc.co.uk/bitesize/guides/z28g7p3/revision/1
The cells that make xylem have an ability to adapt according to the environment. They open up, lose their ends to make a hollow vessel, and they get strength by lignin, it also supports the plant.
What is xylem vessel?Xylem vessel is a vessel type structure present in plants, that hold water for the plant. They are small vessels, and they loose and tight according to the requirement of water of the plant.
Its main function is to transport water and nutrition. It also supports the plant and give strength to tissues and stems.
Thus, the cells that make up xylem have the ability to adapt to their surroundings. They open up, shed their ends to form a hollow vessel, and lignin provides strength and support to the plant.
Learn more about xylem vessel
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how does the pH of milk change when it is fermented to make yoghurt
Answer:
it gets lower
Explanation:
when milk begins to ferment it gets sour becoming more acidic and the pH gets lower.
Which is not the correct statement from the following
calcitonin prevents the process of mixing of calcium from bones to blood
parathormone reabsorbs calcium from kidneys to blood
parathormone stores the excess calcium from blood to bones.
parathormone prevents the storage of calcium in bones.
Answer:
hello po momodule pako haha
6.If a planet is considered habitable, what would that mean?
We could form new habits there.
It would NOT be able to support life
It would have conditions necessary to support life
Only humans could live there
Answer:
If a planet is considered habitable it means that the planet has all the conditions necessary to support life ,these conditions can be the presence of oxygen
im not sure what the answer is please helpppp
What is the best way to determine family relationship between two individuals?
a. Comparing their blood types.
b. Comparing their genes.
c. Comparing their fingerprints.
d. Comparing their appearances
b. Comparing their genes.
PLZZZZ HELPP MEE ANYONE!!!!
Answer:
The answer is the top one, C
Explanation:
"Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable."
Answer:
Land Degradation
Explanation:
because the specific defenition is "Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land" and it is more relevant than the other defenitions.
How do u tell if a rat snake is a female or male
Answer:
Well Males have longer tails than females do.
Explanation:
Answer:
well thanks for the point
How is biodiversity related to the biosphere?
Biodiversity is the different life forms and animals which exist on Earth. The biosphere is where all those animals live.
Andrea wants to make tomato sauce from the freshly grown tomatoes in her backyard. However, she notices that the tomatoes are covered with dirt and fears that there might be some organisms on their surface. She also wants to brighten their color to reduce the dependency on artificial food colors. Which food preservation technique should Andrea use?
A) Irradiation
B) Blanching
C) Dehydration
D) VAcuuum Packing
Answer:B) blanching
Explanation:
How can one use a community in teaching the concept "Safe use of agro-chemicals" to grade six level?
Answer:
A community can be divided into groups, where each group can present the correct ways to use agro-chemicals safely in different types of activity.
Explanation:
Using a community can be very helpful in teaching the safe use of agrochemicals. This is because, as a community usually has a large number of people, these people can be divided into small groups that will serve as small workshop rooms. Within these groups, the different ways to use agro-chemicals in a safe way, both for the applicator and for the environment, will be shown. Information on the composition of agrochemicals, first aid in case of accidents with the use of these products, among other things, can also be presented.
5. Microwave
Situation: John saw his mother place a cold bread inside a microwave oven. After 3 minutes, his mom removed the bread from the oven and gave it to John John observed that the bread is warm after it was placed in the microwave oven. John wondered what caused the cold bread to warm up after it was placed in the microwave oven.
Observation/s:
Inference:
Will give brainiest for the best detailed answer. Thanks a lot :)
WHAT HAPPENS TO OUR BODIES WHEN WE EXERCISE?
What is happening to her circulatory system?
When you exercise, or play football in this case, you are working your muscles and certain places in the body. When this happens, your muscles respire (burn the FOOD to produce ENERGY) more faster than they would normally, so the demand for OXYGEN and GLUCOSE is increased.
As the muscles are performing cellular RESPIRATION quicker than the norm, they need oxygen and glucose to reach them faster (glucose and oxygen are the components for cellular respiration), and also they need to get rid of their CO2 (products of cellular respiration are CARBON DIOXIDE and WATER) so the HEART is now pumping blood around the body at a faster rate in order to provide these cells with what they need. To summarize, the circulatory system has to work harder and faster during exercise to provide the cells at work with glucose and oxygen and to get rid of the waste carbon dioxide.
What is happening to her breathing system?
{Relates to explanation given} The requirement for oxygen is increased so now the respiratory system (in particular the LUNGS) have to work harder and faster to take in more oxygen and to exhale more CO2, thus you begin to breathe faster. To summarize, oxygen is inhaled quicker and carbon dioxide is exhaled quicker, therefore the rate of DIFFUSION is increased.
Diagram:
Draw picture of a girl playing football and then in the nest picture of her lungs and heart, you can also include arteries and the veins. Show how the lung and the heart work more harder during the exercise or when playing any sports
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have a great day ahead :)
Someone pls help me ill give out brainliest pls don’t answer if you don’t know
Un fluido es todo cuerpo que tiene la propiedad de fluir, y carece de rigidez y elasticidad, y en consecuencia cede inmediatamente a cualquier fuerza tendente a alterar su forma y adoptando así la forma del recipiente que lo contiene. Los fluidos pueden ser líquidos o gases según la diferente intensidad de las fuerzas de cohesión existentes entre sus moléculas. Seleccione una: Verdadero Falso
Answer:
True.
Explanation:
Yes, fluids can be liquids or gases depending on the different intensity of the cohesion forces that exists between their molecules because these cohesive forces allows the molecules to attach to one another that leads to their state of matter. Cohesion forces such as hydrogen bonding and van der Waals forces are responsible for the bulk property of liquids that resisting separation from one another so due to these bonding, the molecules attach to one another on the basis of strong bonding between molecules.
which is a nonmendelian trait
Answer:
Polygenic traits are considered non-Mendelian because their alleles are located on more than one gene which allows for more alleles and phenotypes.
Explanation:
Examples of polygenic traits are hair color and height. Other traits, such as blood type, show codominance, where there is no dominant or recessive allele.
Define the word nucleus!!
Thanks!
Answer:
There are 2 definitions
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
and
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
Explanation:
Describe the roles performed by the cell wall and cell membrane in a plant cell
Answer:
Cell membrane controls the substances that go in and out of the cell.
Cell wall keeps cell tugid and strong.
Which of the following is true about lethal alleles? Group of answer choices
A They can kill an organism before birth.
B They can be dominant or recessive.
C They can alter the number of offspring the organism has.
D All of these are true.
Answer:
B
Explanation:
They can be dominant or recessive.
Which must be true for natural selection to happen?
A.) There must be genetic variation in the population.
B.) There can be no competition for resources
C.) All organisms must reproduce the same amount.
D.) The population must be below carrying capacity.
Answer:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Explanation:
ayan p o t a k a
haha
which of these is not used by the nervous system to instruct the endocrine system?
A. Neuroendocrine cells
B. Neurotransmitters
C. Hormones
D. Axons
Answer:
B) Neurotransmitters
Explanation:
The function of a neurotransmitter is either to excite or to inhibit the firing of brain synapses and thus to stimulate or mute brain activity. Some neurotransmitters have a general effect, while others have more specific roles in the brain.
Answer:
Hormones
Explanation:
Just answered the question, and this is the correct response
Bakit mahalagang isabuhay ang pangangalaga sa kalikasan at ano ang mga kakayahang mayroon ka upang maisabuhay ito?
Explanation:
The primary motivation for conservation and is to conserve wildlife and maintain biodiversity. Safeguarding wildlife and environment and conserving it for future generations ensures that the species we care about do not become extinct. The preservation of such ecosystems aids in the protection of the overall ecosystem.
3. The absorptive effectiveness of the small intestine is enhanced by increasing the
surface area by
A villi.
C. digestive juices
B. enzymes.
D. elasticity of intestine,
Answer:
A villi.
Explanation:
Small intestines have finger-like extensions that basically increase the surface area for nutrients to attach and get transported inside the bloodstream or cells.
Answer:
ashlaylawrence can you fart on my face
Each of you will have to show your work for the following questions.
1. In rabbits, grey hair is dominant to white hair. Also in rabbits, black eyes are dominant to red eyes.
GG=gray hair
Gg= gray hair
gg= white hair
BB= black eyes
Bb=black eyes
bb= red eyes
What are the phenotypes of rabbits that have the following genotypes:
Ggbb
ggBB
GgBb
ggbb
what is one way the gas giants differ from the terrestrial planets
what is one way the gas giants differ from the terrestrial planets?
ANSWERPlanets that are largely comprised of rock, such as rocky or terrestrial planets, are not like gas giants. Unlike rocky planets, gas giants lack a clearly defined surface there is no obvious line separating the atmosphere from the surface. The atmospheres of the gas giants are primarily hydrogen and helium.
--------------------------hope this helps...have a great day!!A tertiary consumer is an animal that obtains its nutrition by eating primary consumers and secondary consumers. Usually tertiary consumers are carnivorous predators, although they may also be omnivores, which are animals that feed on both meat and plant material. Function of Tertiary Consumers
Answer:
The function of tertiary consumers is to keep the population of primary and secondary consumers under control, in addition to serving as food for quarternary consumers.
Explanation:
As stated in the question above, tertiary consumers are those who feed on secondary and primary consumers within the food chain. They represent a very important trophic level, in addition to allowing the transfer of energy between living beings to flow normally, they manage to control the populations of primary and secondary consumers, which keep nature in balance. In addition, they serve as food for other consumers, the quarternarios consumers.
deficiency symptoms of molybdenum in photosynthesis
Answer:
Molybdenum deficiency symptoms in most plants are associated with a build-up of nitrate in the affected plant part. This is a result of poor nitrate reductase activity. Symptoms include: pale leaves with interveinal and marginal chlorosis (yellowing) and necrosis (scald);
