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zmey [24]
2 years ago
9

PLEASE HELP!! Which statement describes how nuclear fusion and nuclear fission differ?

Biology
1 answer:
Tanzania [10]2 years ago
6 0

Answer:

The main difference is that fission is the splitting of a heavy, unstable nucleus into two smaller nuclei, while fusion reactions involve combining two light nuclei together.

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How does the loss of leaves help a plant survive winter or long periods without rain?
dexar [7]

Answer:

because It loses leaves so that it can keep all of the nutrients and water to the ruts and steam

Explanation:

It can always grow more leaves

6 0
1 year ago
Consider the data on cliff swallow mortality. Why is this an example of directional selection?Overall genetic variation decrease
Gala2k [10]

Answer:

The average trait value changed in one direction.(In this case, larger size)

Explanation:

In evolution a natural selection can be disruptive, directional or stabilizing

In stabilizing no extreme trait is favored hence provides intermediate values .

Disruptive selection both extreme traits are favored over the intermediate trait.

Directional, the enviroment will favor the survival of one trait hence a change in direction either towards the left or the right.

In the case of swallow cliff mortality, selection favored the larger size.

8 0
2 years ago
How do the products of meiosis compare with the original cell? Think about chromosome number.
tatyana61 [14]
Well the offspring of the original cell are considered daughter cells (as they all reproduce) so with the knowledge I know when the cell doubles it’s going to look exactly like the mother cell and not just look but they all have the same job, which is to multiple. So I think that might be the answer. But if it’s multiple choice then I might be wrong because you didn’t provide any options.
5 0
3 years ago
Read 2 more answers
Diagnose this case study.A 68 year old patient with Alzheimer disease was brought to the emergency room by the staff of a local
goldfiish [28.3K]

The question is incomplete. The information asked in the question is as follows:

What is your presumptive diagnosis for this case?

Caused by which organism?

What evidence could the sputum give for this case?

Is the increased respiration rate and unequal chest movement indicative of the pathology?

Is this a bacterial or viral disease?

Answer:

Alzheimer disease may be defined as a type of the progressive disorder that mainly destroys the memorizing capacity of the individual. The disease gets worsen with the age.

After studying the case disease given in the question it can be inferred that the individual might have pneumonia caused by the bacteria  Klebsiella. This causes the damage to the lungs. The sputum shows that the bacteria is gram negative that are covered with the rods. If the bacteria is grown on the agar plate of the MacConkey, the bacteria becomes mucoid due to the production of the slime. This might cause the lung damage and causes inflammation that causes the observable changes. This is a bacterial disease.

6 0
3 years ago
What do hypothesis, theories, and laws have in common?​
siniylev [52]

Answer:

a hypothesis. ... A theory is a group of hypotheses that prove a law is true. A law is a statement of fact, but a theory is an explanation. A theory is a proposed law that has not yet been peer reviewed.

Explanation:

3 0
3 years ago
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