Answer:
B
Explanation:
your nervous system tell your muscles to stop shaking no, there not actually shaking there lossening a tightening
Ecology is how nature works and flows, without it everything would be messed up, such as food chains and how people would be ranked on natures list.
The first one is to absorb calcium.
second question: I THINK poor wound healing
The skin acts as a barrier for protecting the body from the harmful things such as sun rays, moisture, cold.
<u>Explanation:</u>
Skin plays an important role in regulating body temperature. It helps to prevent harmful substances enter into our body, and does not allow to loss water in our body. Its form the barrier that prevents harmful substances and microorganisms enter in our body.
Our skin is the protecting layers and against loss of water and blood from our body. Its help us to maintain the constant body temperature. The important role of the skin us to protect our body from the ultraviolet rays.
Pollution is the biggest impact as well as deforestation
