Answer:
The right answer for the blank is cleavage.
Explanation:
After fertilization the next step is cleavage in which zygote divide mitotically. As the embryo move from oviduct down the fallopian tube it divide into two cell and then four cells. four cell embryo is known as blastomere.
Answer:
D. As the ball moves down the stairs, the potential energy decreases because the height decreases and is transformed to kinetic energy
Explanation:
Answer:
b. earth was formed from a cloud of gas and dust spinning and moving some distance from the sun.
Internal and external hydrogen bonds<span> stabilize the </span>DNA<span> molecule. The two strands of</span>DNA<span> stay together by H </span>bonds<span> that occur between complementary nucleotide base pairs. Two </span>hydrogen bonds<span> occur between the adenosine and the thymine base pairs, and between the cytosine and the guanine there are three.</span>
Answer:
B
Explanation:
Short answer: Lots of ash means lots heat lots of heat mean it going to get hot on earth
Long answer: Earth is going to have lets say one hundred volcanic eruptions so that means that there is going to be a lot of two things: Ash and heat. if there is a lot of heat and a lot of ash then the ash will cover the planets atmosphere. If the planets atmosphere is blocked the air inside the atmosphere will heat up and increase global warming.