Answer:
They help to stop harmful germs from entering the body
Explanation:
- The skin can prevent bacteria and microorganisms from entering the body (unless it is damaged)
- Mucous membranes line the mouth and nose and are coated with secretions that fight microorganisms and harmful bacteria
- Tears help to clear debris from the eye to prevent infection
Answer:
The correct answer is - power step-ups.
Explanation:
Power step up is an exercise that involves an individual to stand upright and lift ur chest and tuck chin in. Put one leg on box or step and forcefully push that leg into the air and put the leg softly on the box or step and again push this leg now in air forcefully and softly put another leg on the box, repeat this again and again.
This exercise helps to keep the knee in line with the toe through the jumping of landing and take off.
Thus, the correct answer is - power step-ups.
Answer:
How rocks change from one type to another and which processes are involved in rock changes.
Explanation:
We know that there are three types of major rocks. Those are: igneous, sedimentary, and metamorphic. The rock cycle describes how the three major rock types convert from one to another.
Changing in rocks happens as a result of natural processes that are taking place all the time. Most of the changes happen very slowly. Rocks that are in the deep within the Earth are right now becoming other types of rocks. Rocks at the surface are lying in place before they are next exposed to a process that will change them to another rock. Even at the surface, we may not notice the changes in the rocks.
Along with this, a rock cycle describes those process which involves in this rocks transformation process. It represents various environmental factors that are related to the change of the rock from one to another.
