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Schach [20]
3 years ago
14

Which characteristic of our solar system is most crucial to support life on Earth?

Biology
2 answers:
tatuchka [14]3 years ago
7 0

Answer:

it is option B hope it helps

mezya [45]3 years ago
6 0
B. distance between the earth and sun
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A magnifying glass is an example of which type of microscope?
marishachu [46]

Answer:

A simple microscope

Explanation:

Because it only has a single lens

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3 years ago
Two parents who do not have sickle cell anemia have a child that has the disease. The parents are both:_______
Mars2501 [29]

Answer:D

Explanation:

Both parent are Heterozygous for the sickle cell allele.

Both parent have sickle cell trait in which the both posses one abnormal allele of the hemoglobin beta gene (AS heterozygous genotype)

When two AS parents mate, probability of giving birth to a sickle cell anemia child is 1/4

AS + AS= AA, AS, AS, SS

6 0
3 years ago
Use this portion of a dichotomous key for tree identification to answer the question.
Charra [1.4K]

Answer:

They are nonlobed, simple leaves and are attached oppositely on the branch.

Explanation:

A dichotomous key is a tool you use in biology to know the identity of things in nature such as trees,flowers, fish or even rocks. This key has choices that follow each other in a progressive manner, where one choice led to the other until you identify the item.In this case, to identify Dogwood, you follow the below steps;

1b. Broad leaf = Step 2

2b. Simple leaf = Step 7

7a. Leaf bases attached opposite each other on branch = Step 8

8b. Leaves not lobed = Step 9

9b. Leaves not heart shaped = Dogwood

The key is (1b,2b,7a,8b,9b)

8 0
3 years ago
Which is part of meiosis but not of mitosis
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The CORRECT answer for this is: number reduction of chromosomes:)
4 0
3 years ago
What does a mass extinction look like in the fossil record?​
gtnhenbr [62]
There is less diversity hope this helps
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3 years ago
Read 2 more answers
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