Renewable energy is exactly what it says -- it's renewable. Meaning, you can continue to reuse it or make more of it in a never ending cycles. Examples of a renewable energy could be trees (wood). You can keep growing trees and harvesting them.
Fossil fuels are things like oil or petroleum, they cannot be "grown" again, and are a one-time use.
Renewable energy has more benefits then that of fossil fuels because you can reuse renewable energy and keep the never-ending circle of energy going, unlike fossil fuels which can run out.
Enzymes will make chemical reactions go faster.
Enzymes are a type of catalyst that will cause the activation energy of a chemical reaction to go lower.
Activation energy is the key substance that is needed to get a reaction going. By lowering the amount of energy needed to start a reaction, the reaction can go more quickly.
The answer is c egg>zygote>morula>blastula>neurula >gastrula>fetus
The type of reproduction that is considered to be the safest among the land-dwelling animals would be the carrying of eggs internally. In addition, the use of eggs as a reproductive material would promote the welfare of an animal's offspring wherein it is properly taken care of and away from harm.
Answer:
In most species of frogs, fertilization is external. The male frog grabs the female's back and fertilizes the eggs as the female frog releases them (Figure 2.2B). ... The egg pronucleus and the sperm pronucleus will meet in the egg cytoplasm to form the diploid zygotic nucleus.
Thank you hope it is helpful