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TiliK225 [7]
2 years ago
15

When the solar system formed, planetesimals collided and merged to form

Biology
2 answers:
Stells [14]2 years ago
6 0

Answer:

(a)

Protoplanets are built up through the collisions of planetesimals over millions of years. The protoplanets orbit stably around the Sun for a while, but eventually they collide with each other. In about 100 million years, several terrestrial planets, like the ones found in our Solar System, are formed.

laiz [17]2 years ago
4 0

Answer:

A. protoplanets

Explanation:

sana maka help

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William and Quentin are fraternal twins. This means they share, on average, what % of genes with one another?
nordsb [41]

Answer:

The correct answer is 50%

Explanation:

Fraternal twins are the twins which are produced from the fertilization of two different eggs by two different sperms. These eggs are released at the same time.

So as fraternal twins are produced from fertilization of two different eggs therefore they share 50% of genes with each other just like other siblings. They are also called dizygotic twins

Identical twins are produce from a sigle fertilized cell which later divides into two cell mass. Indentical twins share 100% gene. Therefore the correct answer is 50%.

7 0
2 years ago
What prevents the elodea cells from completely collapsing?
MariettaO [177]
Plasmolysis is the reason. The reason that the Elodea cell prevents from collapsing completely is that the Plasmolysis is the main reason because it always has water to keep it full. The answer in this question is Plasmolysis is the reason because it always has water to keep it full.
5 0
3 years ago
bones function as levers for the muscles to provide movement of the body What refers to reducing the angle of the joint thus bri
Alex_Xolod [135]

The answer is D: Flexion.

4 0
3 years ago
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What is NOT true about the evidence that fossils provide?
ra1l [238]
Is there a list to pick from
3 0
3 years ago
Read 2 more answers
PLEASE HELP!!
KiRa [710]

Answer:

transportation

Explanation:

Transportation (28.2 percent of 2018 greenhouse gas emissions) – The transportation sector generates the largest share of greenhouse gas emissions.

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