Answer:
D. It axis is tilted.
That's why there are 4 different seasons on earth occuring at different times because of the way Earth's axis is tilted.
The most common mineral group contains silicate minerals!
<span>This is known as glomerulonephritis. This infection is the first step on the road to overall kidney failure, since it is indicated by the kidneys becoming less and less able to filter out waste products from the body. This disease can be caused by infections in childhood or could also be an inherited syndrome that is more purely genetic.</span>
Answer: Option C.
Enzymes lowers activation energy required for a given reaction.
Explanation:
Enzymes are biological catalysts that are produced by living organisms which speed up the rate of chemical reaction.
Enzymes lower the activation energy of a given reactions. As the activation energy is lowered, the reaction becomes faster. Enzymes speed up the rate of reaction by lowering the activation energy.
C, pretty sure due to natural selection and theory of evolution
