Answer:
yes, so when the concentration of a solute is high, the concentration of water is lowered since there is more solute per water, less water per solute. Thus, when water moves from low concentrations of solute to high concentrations of solute, it moves from high concentrations of water to low concentrations of water.
Explanation:
Some ocean plants, such as photosynthetic algae, benefit when dissolved CO2 levels in ocean water are elevated. Complete the
chemical equation by dragging and dropping components of the equation into the boxes that BEST explains how algae use CO2 for
photosynthesis
Answer:
CO2 + H2O ---SUNLIGHT--------> C6H12O6 + O2
Explanation:
In the process of photosynthesis, carbondioxide reacts with water molecules in the presence of sunlight forming glucose molecules and oxygen gas. The carbondioxide enters the plant body through small openings called stomata, these stomata opens when there is sunlight whereas water enters the plant body through roots from the soil and reaches to the leaves. In leaves both combine produces glucose which can be stored in different parts of the body and some oxygen is used by the plants in the process of respiration and extra is released through stomata.
6. Samples of atmospheric air and exhaled air were analysed by four groups
of students for oxygen and carbon (IV) oxide content. The following are
the results, expressed in volumes per thousand:
(i) Amount of oxygen in atmosphere = 200
(ii) Amount of oxygen in exhaled air = 160
(iii) Amount of carbon (IV) oxide in atmosphere = 300
(iv) Amount of carbon (IV) oxide in exhaled air =41
Explain the difference in volume of each gas between the atmosphere and
the exhaled air.
Answer:
Due to difference in volume of both atmosphere.
Explanation:
There is difference in volume of carbondioxide and oxygen gas between the atmosphere and the exhaled air because of the volume difference of atmosphere and exhaled air. The volume of atmosphere is larger than the body from where the gases are exhaled. The body has lower space for these gases so these gases are less in concentration in the exhaled air which the body releases as compared to the atmosphere where the concentration of these gases are larger.
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Match the type of metamorphism to its cause. Impact ? Heat Contact ? Directed pressure Dynamic ? Meteorite Regional ? Surrounding pressure SUBMIT
Answer:
Contact Metamorphism - Heat
The heat is the main cause, cooling magma affects the rock adjacent to an intrusive body.
Dynamic Metamorphism - directed pressure
It takes place due to grinding two large blocks of rock in a fault zone which causes a directed pressure that leads to heat and the formation of these metamorphisms.
Regional - surrounding pressure
A heat and lithostatic pressure come from depth within the earth.
Impact - Meteorite
By collision of meteorite to earth very high amount of kinetic energy is converted instantaneously to heat and differential stress.
How can the planting of new trees help reduce climate change? *
A They help decrease the amount of carbon dioxide in the atmosphere
B They help decrease the amount of nitrogen in the atmosphere
C They help decrease the amount of oxygen in the atmosphere
D They help decrease the amount of hydrogen in the atmosphere
Answer:
A
Explanation
Trees use carbon dioxide from the environment. This will result in a loss of carbon dioxide from the atmosphere leading to a reduce in climate change.
Many desert mammals have developed a nocturnal lifestyle. This means that during the day they sleep underground in their burrows, and they come out to eat and play at night. What is a good reason for a desert fox to show this pattern of behavior?
Answer:
A good reason why a desert fox shows this pattern of behavior is to protect themselves from cold conditions since at nighttime, it gets very cold in the desert!
Explanation:
Nocturnal is a type of animal behaviour shown when the animals are active at night time and inactive at daytime. Desert fox shows this behaviour so that it can avoid the hot daytime of the desert.
What is nocturnal behaviour?Nocturnal lifestyle is the behaviour adopted by animals that are active at night time and are inactive during the daytime. During the daytime, they rest in the cool burrows, holes and underground canals to prevent the loss of water and to protect themselves from the extremely hot environment.
The desert animals like desert foxes have adapted the nocturnal lifestyle to avoid the extreme heat during the daytime and sleep in their underground burrows. Instead, they come out during the night when it is cool in deserts to eat and play.
Nocturnal lifestyle is shown by the diurnal animals that rest and sleeps in the burrows, holes and cool places during the hot time of the day.
Therefore, the desert fox shows a nocturnal lifestyle.
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What is the outer skin called
Answer:
Epidermis
Explanation:
The epidermis is the thin outer layer of the skin.
Answer: The epidermis is the thin outer layer of the skin.
Explanation:
The oxygen cycle is closely related to which other cycle?
A. The carbon cycle
B. The nitrogen cycle
C. The phosphorus cycle
Answer:
A
Explanation:
that what i think
i don't know if I'm right
What benefit did land plants offer as they became more abundant ?
Which of these is true for a fetus by the end of the first trimester of fetal
development?
A. Its weight is half what it will be at birth.
B. Its lungs are fully developed.
O C. Its placenta has served its purpose.
.
D. Its external sex organs have formed.
Answer:
the answer is A :)!!!!!!!!!
How many chromosomes are in each of Chester's body or somatic cells?
Answer mHuman body cells have 46 chromosomes, while human gametes (sperm or eggs) have 23 chromosomes each. A typical body cell, or somatic cell, contains two matched sets of chromosomes, a configuration known as diploid wer:
Explanation:
Minerals in sediment may seep into the ______________ and replace the body’s material with minerals that harden over time.
Answer:
erm
Explanation:
digestive system.
no idea
PLEASE HELP I HAVE AN EXAM !!!
What are the three things that trigger production and secretion of a hormone from an endocrine gland?
Answer:
There are three mechanisms by which endocrine glands are stimulated to synthesize and release hormones: humoral stimuli, hormonal stimuli, and neural stimuli.
Which of these materials would be most useful in terms of retaining residue evidence in an explosion?
A. Wall insulation
B. A bronze statue
C. A concrete wall
D. A steel barricade
Answer:
C. A concrete wall
Explanation:
What are sister chromatids?
O the matched set of two chromosomes
O the protein structures moving the chromosomes
O the middle region of a replicated chromosome
O he two identical copies of one chromosome
Answer:
hi how are you doing today Jasmine
Complete the passage to differentiate between longitudinal and transverse waves.
A longitudinal wave is a type of wave that transfers energy
to the direction of wave motion. A transverse wave, on the other hand, is a type of wave that transfers energy
to the direction of wave motion.
Answer:
transverse Waves transfer energy at right angle while longitudinal waves transfers energy parallel
PLEASE HELP I WILL GIVE BRAINLIEST + Like + 5 stars. How are cell walls useful for plants but not animals?
Answer: Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out
Explanation: All cells have cell membranes, and the membranes are flexible. So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.
Which of the following is an advantage of sexual reproduction over asexual reproduction?
Answer:
1. Leads to mixing of genetic materials hence variation within species
2. Leads to offspring with hybrid viguor that tend to show high and adaptability to environmental conditions.
3. Variations due to sexual reproduction leads to improvement of species hence evolutionary changes that may bring about specialisation
4. How should the fossils in the sediment layers of Earth appear if species have evolved over time?
A. All of the layers should contain fossils of simple organisms.
B. All of the layers should contain fossils of complex organisms.
C. The lower layers should contain fossils of more complex organisms.
D. The upper layers should contain fossils of more complex organisms.
Answer:
D the upper layers
Explanation:
at first, lifeforms were simple. they got more complex for a variety of reasons, including to adapt to the changing earth. simple organisms will be lower down for that reason.
The lower layers should contain fossils of more complex organisms. So, the correct option is (C).
What are Fossils?A fossil is defined as the preserved remains, imprint or trace of something that once lived from a previous geological era. Examples of fossils are bones, shells, exoskeletons, fossilized traces of animals or microbes, objects preserved in amber, hair, petrified wood, and DNA residues. The totality of fossils is known as the fossil record.
There are four main types of fossils which are formed in different way are conducive to preserving different types of organisms. Fossils are mold fossils, cast fossils, trace fossils and true form fossils.
Fossil layers are fossils that formed in sedimentary rock that formed in layers by depositing and pressing sediments on top of each other.
Thus, the lower layers should contain fossils of more complex organisms. So, the correct option is (C).
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Which of the following are mechanical waves?
A sound wave
B earthquake wave
C surface wave
D electromagnetic wave
Answer:
A) sound wave.
Explanation:
A sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum
Site A is pavement. Site B is bare soil. Site C is a forest, and they are all at the same slope. The percentage of rainwater that becomes runoff is greatest at Site
Site A is pavement. Site B is bare soil. Site C is a forest, and they are all at the same slope. The percentage of rainwater that becomes runoff is greatest at Site B. This is further explained below.
What is bare soil.?Generally, bare soil is simply defined as any soil or sand that is not blanketed by a layer of anything else is considered bare soil.
In conclusion, Site B is bare soil and also has the highest propensity for erosion
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In guinea pigs, the short hair trait is dominant. If two heterozygous guinea pigs were crossed, what would be the phenotypes of the offspring? *
A. 100percent short hair
B. 75 percent short and 25 percent long.
C. 50percent short and 50 percent long
D. 25 percent short and 75 percent long
PLEASE HELP
Identify the "Four Rs" of solid waste reduction and give an example of how
individuals can apply each strategy.
Answer:
the Department of Recycling & Resource Management uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
The Department of Recycling & Resource Management uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
What are the 4 R's of waste disposal explain each in a sentence?The four Rs of waste disposal are:
Refuse: Say no to the non biodegradable wastes Reduce: Decreasing the accumulation of wastes Reusing them wherever possible.Thus, uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
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In a separate location, take notes from the sources you've identified. The notes will provide details for your presentation
While taking notes, you may want to use these reading strategies C. Write down one or two pieces of information per
topic that you intend to use in your presentation.
Topic
Chemical reactions of fossil fuels
Difference between biomass and fossil fuels
Comparing biomass with other renewable
energy sources
Making energy choices locally
Answer:
CH4 + 2O2 -----> CO2 + 2H2O.
Explanation:
CH4 + 2O2 -----> CO2 + 2H2O is the chemical reaction of burning of fossil fuels. The main difference between biomass and fossil fuels is that biomass is biological material which can be derived from living whereas Fossil fuel such as coal, oil and gas are derived from biological material. Biomass is renewable because a new crop can be grown after each harvest, and biomass is a low carbon fuel. Biomass is renewable just like other renewable energy sources because both can be used again and again. The energy choices locally occurs according to the availability of energy resources in that locality.
List 3 properties of the
hair's CUTICLE? NOT SHAFT
um.... what is this for?
Answer:
Each hair shaft is made up of two or three layers: the cuticle, the cortex, and sometimes the medulla. The cuticle is the outermost layer.Explanation:
A transcriptional repressor that controls the transcription of gene A is not normally active unless bound by an effector molecule X. In a certain cell, the domain of the repressor that binds to the silencer of gene A is mutated so that the repressor-X complex can no longer bind to its recognition site. With all other factors being the same, what effect do you predict on the transcription of gene A if X is increased in the cell and the cell is already expressing gene A
Answer:
Transcription of gene A is not affected
Explanation:
A transcriptional repressor is a DNA/RNA-binding protein that acts to suppress gene expression and/or protein synthesis by binding to target sequences. Moreover, a silencer is a DNA region that binds to particular transcriptional repressors in order to suppress gene expression. In this case, the transcriptional repressor is activated by binding to an effector molecule X (e.g., another protein). In consequence, and since the activated repressor-X complex is not more able to bind the silencer of gene A, it is expected that such complex will not be able to affect transcription of the target gene.
How does the addition of rubber bands affect the range of motion of the joint
Why do you think some organisms have only one cell, but humans have about 100 trillion?
!PLEASE HELP!
Muscles are named in a variety of ways; the muscles on the sides of the head are named according to their
a. size.
b. location.
c. action.
d. location of insertion.
Answer:
Muscles are named in a variety of ways; the muscles on the sides of the head are named according to their location.
Which is a byproduct of using hydrogen fuel?
electricity
smog
water
carbon dioxide
Answer:
Hello There!!
Explanation:
The answer is=>Water.
hope this helps,have a great day!!
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