Answer: Option B.
Absorb ultraviolet Ray's from the sun.
Explanation:
Ozone layer is the lower part of the stratosphere that absorb the ultraviolet rays of the sun. It is made up of three oxygen (O3). It is about 20 to 30 kilometers from the Earth. The ozone layer is of utmost important because it absorb the ultraviolet Ray's from the sun which can damage plants and animals. The ultraviolet rays can cause Mutation of the DNA thereby leading to death of plants and animals.
Once pressure occurs which is called compaction, it forms a sedimentary rock. It can be compacted over and over again.
Pharmacologist
Microbiologist
Biological engineering
Nature Conservation officer
Answer:
Explanation:Simply put: A period is when a woman's body releases tissue it no longer needs. ... Every month or so, the uterus lining gets thicker to prepare for a fertilized egg if the woman becomes pregnant. If the egg doesn't get fertilized, that lining is released from the body as blood through the vagina.
Period pain is common and a normal part of your menstrual cycle. Most women get it at some point in their lives. It's usually felt as painful muscle cramps in the tummy, which can spread to the back and thighs. The pain sometimes comes in intense spasms, while at other times it may be dull but more constant.
<span><span>a. </span>Reproducing</span>
f. obtaining
energy
d.
maintaining structure
Why do these
three illustrate the great challenge for every species.
<span><span>
1. </span>Reproduction, is as vital for an entire race to survive. It prolongs
their generation onwards and offspring to the next centuries to pass by.</span>
<span><span>
2. </span>Obtaining energy. In both humans and animals, even plants is a
challenge because these creatures need to work in order to obtain these need
resource from food –preys.</span>
<span><span>
3. </span><span>Maintaining structure. For the living organisms to still exist they
need to keep themselves intact. Combating diseases and having nutrition. This is
a by-product of having energy. </span></span>