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Answer:
A single replacement reaction occurs when an element reacts with a compound to produce a new element and a new compound. It can only occur when the element that is doing the replacing is more reactive than the element that is being replaced. Therefore, it is useful to have a list of elements in order of their relative reactivities. The activity series is a list of elements in decreasing the order of reactivity. Since metals replace other metals, while nonmetals replace other nonmetals, they each have a separate activity series.
There are two types of single replacement reactions:
A metal replaces another metal that is in solution:
A + BC → B + AC
Example: Zn + CuC[tex]l_{2}[/tex] → Cu + ZnC
A halogen replaces another halogen that is in solution:
A + BC → C + BA
Example: Br[tex]_{2}[/tex] + 2KI → I
an example of is a leaking gasoline. tank
Answer:
When this happens, gas may leak from the vehicle, having an effect on fuel economy, and potentially leading to a dangerous fire or explosion. If gasoline is leaking from the gas tank, you should be able to notice the leak underneath the rear of the vehicle accompanied by a noticeable smell.So that obviously has tank or cylinder is a leaking gasoline.
Explanation:
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which statement is true of both mitosis and meiosis?
A) The number of
chromosomes is reduced by half.
B) both occur only in reproductive cells.
C) DNA replication occurs before the division of the nucleus.
D) both are involved in asexual reproduction.
Answer:
The statement 'b. both occur only in reproductive cells' is true
advantages of being sessile in invertebrate
Answer:
Sessile organisms benefit from lower energy expenditure than motile creatures and can thus subsist on relatively low amounts of food, as they have a low metabolic rate.
witch characteristics do Jupiter and Saturn share
Answer:
Characteristics that Jupiter and Saturn share are:-
They are the same size as earth. They have rings. They have thick atmospheres.Saturn and Jupiter have attracted as much similar gas as they could, to form two biggest gas giants in our solar system.Which is NOT a passive transport mechanism across the membrane of a plant cell?
Which is NOT a passive transport mechanism across the membrane of a plant cell?
Facilitated diffusion
Diffusion
Osmosis
Receptor-mediated endocytosis
Answer:
the company has also announced plans
What types of materials could be broken dowr in a compost pile?
Which accurately describes one way that coastal mountains affect a region’s climate?
Answer:
In what ways do coastal mountains affect a region's climate? ... They increase precipitation on the windward sides of mountain ranges. They force cool, moist air from oceans to rise as they move toward land. They decrease precipitation totals on the leeward sides of mountain ranges.
Explanation:
#CarryOnLearning
Biology
what is carbohydrates
Answer:
Simple carbohydrates are broken down quickly by the body to be used as energy. Simple carbohydrates are found naturally in foods such as fruits, milk, and milk products. They are also found in processed and refined sugars such as candy, table sugar, syrups, and soft drinks.
Plz do 10 and 14❤️❤️❤️❤️
Answer:
no
Explanation:
If a horse sheds there coats in the spring and summer to allow for easier cooling during warm weather.
Is it Stimuli or Homeostasis?
Answer:
hi l have a question
Explanation:
can you help me
The order of amino acids in a protein does not matter
Answer:Amino acids, often referred to as the building blocks of proteins, are compounds that play many critical roles in your body. They're needed for vital processes like the building of proteins and synthesis of hormones and neurotransmitters.
Explanation:
Is there anything we as a society can do to prevent these pandemic from occurring
The only thing you can do now is to try do the necessary pre-causion, which are;
Always wear maskAlways be sanitizedAlways wear hand glovesKeep social distancing1. Indicate patient history details that are consistent with the patient having an infection. How do the patient’s signs and symptoms compare to a healthy individual?
2. Indicate what you suspect might be the etiological agent. What additional history would you like to have?
3. Based on the microbe you suspect is responsible for the symptoms, from which body sites would you recommend taking culture?
4. . Give culture and test characteristics of the microbe you suspect might be causing the disease. If you suspect more than one might be responsible, how might you distinguish the two?
5. Indicate virulence factors possessed by this microbe that might be responsible for the symptoms. Indicate how it produces the symptoms you observe in the patient.
6. Is this microbe normal microbiota at the culture site?
7. What type of treatment would be used for this patient
Answer:
All the answers are there in the photo
Which of the following is not a true statement of the lungs?
Answer: The right lung is shorter and wider than the left lung, and the left lung occupies a smaller volume than the right.
The lung houses structures of both the conducting and respiratory zones.
The left lung consists of three lobes.
The lungs exchange respiratory gases across a very large epithelial surface area—about 70 square meters
Explanation:
What could a human living now and a dinosuar living millions of years ago have in common?
help now pls im desperate
Answer:
We both drank the same water, due to the water cycle
Or you can say: We both breathed the same air
Explanation:
Differences among individuals of the same species are known as:
Different offsprings, from the same parents.
A.Natural Selection
B.Adaptations
C.Variations
D.Fittness
Answer:
variation is the answer that is genetic variation
Amino acids join together to create:
A. nucleic acids
B. carbohydrates
C. lipids
D. proteins
Answer:
D they join together to create proteins
Question :- Amino acids join together to create:
A. nucleic acids
B. carbohydrates
C. lipids
D. proteins
ANSWER :- D. proteins
Proteins are linear polymers formed by linking the α-carboxyl group of one amino acid to the α-amino group of another amino acid with a peptide bond
g Two linked genes, (A) and (B), are separated by 18 centiMorgans. A man with genotype Aa Bb marries a woman who is aa bb. The man's father was AA BB. What is the probability that their first child will both be ab/ab
Answer:
The probability that their first child will both be ab/ab = 41%.
Explanation:
Available data:
Two linked genes (A) and (B) ⇒ 18 centiMorgans apartMan ⇒ Aa BbMan´s father ⇒ AA BBWoman ⇒ aabbThe recombination frequency is given by the distance between genes. We have to know that 1% of recombinations = 1 map unit = 1cm.
Recombination frequency = 0.18
Man: AaBb
Gametes) AB Parental
ab Parental
Ab Recombinant
aB recombinant
18 centi morgan = 18 % of recombination in total
= % aB + % Ab
= 9% aB + 9% Ab
100% - 18% = 82% of parental in total
= % of AB + % ab
= 41% AB + 41% ab
The frequency for each gamete is:
AB 41%
ab 41%
Ab 9%
aB 9%
Cross: man x woman
Parental) AaBb x aabb
Gametes) AB, Ab, aB, ab ab, ab, ab, ab
Punnett square) AB ( 41%) Ab (9%) aB (9%) ab (41%)
ab AaBb Aabb aaBb aabb
ab AaBb Aabb aaBb aabb
ab AaBb Aabb aaBb aabb
ab AaBb Aabb aaBb aabb
F1) 41% of the progeny is expected to be AaBb
9% of the progeny is expected to be Aabb
9% of the progeny is expected to be aaBb
41% of the progeny is expected to be aabb
Why was the Battle of Bunker Hill important in the war for American independence from Britain? A. The battle was the first important victory for the fledgling Continental Army. B. The battle was the first important victory for General George Washington. C. Although the British ultimately won the battle, they lost their best general. D. Although the British ultimately won the battle, they suffered heavy casualties.
Answer: D. Although the British ultimately won the battle, they suffered heavy casualties.
Explanation: Even though they lost, the colonial forces were able to inflict a substantial amount of damage resulting in lots of casualties.
Please match the interleukins with the statements that most accurately describe them to test your understanding of the actions of interleukins in the early reactions of recognition and activation.
1. produced by the APC to activate the helper T cell
2. produced by the helper T cell to stimulate a general increase in activity of committed B and T cells
Answer:
1. produced by the APC to activate the helper T cell
Explanation:
Apc is T cell
Name the main hormone that causes the tropic response movement of pollen tubes towards ovule.
Answer:
Chemotropism
Explanation:
plants such as the venus flytrap produce chemical compounds that break down insects into substances that are usable by the plant
Answer:
The chemical compounds that break down the insects are most likely BIOLOGICAL CATALYSTS. Venus Flytrap is a kind of carnivorous plant.9
hope it helps
Which process is characterized by the movement of particles from an area of high concentration to an area of low concentration across the plasma membrane without the use of energy?
1) hypertonic transport
2) active transport
3) passive transport
4) dynamic equilibrium
Answer:
3) passive transport
Explanation:
Passive transport is a type of cellular transport that does not require the use of energy to move substances (i.e., ions and molecules) across biological membranes. Passive transport uses concentration gradients to move substances across cell membranes, thereby transporting them from regions of high concentration to regions of low concentration. Passive transport can be divided into 1-osmosis (i.e., movement of solvents), 2-diffusion (i.e., movement of solutes), and 3-facilitated diffusion (i.e., movement of molecules with help of protein channels or carriers), and 4-filtration (i.e., movement of water by using a pressure gradient).
Answer: moves particles from on area of low concentration to an area of high concentration
Explanation: Active transport differs from passive transport because active transport
can only move particles into the cell.
does not require energy to transport particles.
moves particles from an area of low concentration to an area of high concentration.
depends on the random movements of particles to carry them across the membrane.
EDG2023
The larva of moth is known as
—
The larva of moth is known as [tex]\sf\purple{caterpillar}[/tex].
[tex]\bold{ \green{ \star{ \orange{Mystique35}}}}⋆[/tex]
How have humans impacted the planet?
How this contributed to climate change?
Give at least 5 examples.
Answer:
humans have impacted the planet by building and changing the envoirment in order to surive
Explanation:
this impacted climate change because
1- polluion- gases for the companies that human built polluted the air
2- disturb wildlife- building/constructing things can impact animal shelter
3- overpopulation- having too many people in one area is harmful to the emviorment as well as leading to climate change over time
4- burning of fossil fuels- increased greenhouse effect
5- farming lifestock
an individual belonging to blood group A, one of whose parents was Type O, was married to an individual belonging to group AB. What would be the expected results of their offspring with blood type AB? What is the chance that any of their children would be typed A?
XA XB
XA XAXA XAXB
Y XAY XBY
25% chance the babies have blood type AB and a 50% chance the babies would have blood type A.
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D)
transgenically reduced
12)
The energy required for a seedling to push up out of the ground comes from
A)
muscle tissue.
B)
photosynthesis.
C)
food stored in the seed.
D
other plants
Answer:
In the seed is the energy required for a seedling to push up out of the ground comes from food stored in the seed.
Which statement about the members of a population that live long enough to reproduce is consistent with natural selection?
A.They transmit characteristics aquired by use and disuse to their offspring
B.They tend to produce fewer offspring than others in the population
C.They are the ones that are best adapted to survive in their environment
D.They will perpetuate unfavorable changes in the species.
Answer:
It's option B
Explanation:
Organisms which can't survive harsh times and have a small lifespan make huge amount of offsprings like ants. While long living animals make fewer offsprings like humans, whales, tortoises.
can someone help me with this question?
Answer:
email ur teacher
Explanation:
teacher know the answer
