Calcium is one of the most important minerals for the human body. It helps form and maintain healthy teeth and bones.
...
Function
-Building strong bones and teeth.
-Clotting blood.
-Sending and receiving nerve signals.
-Squeezing and relaxing muscles.
-Releasing hormones and other chemicals.
-Keeping a normal heartbeat.
Answer:
Abiotic factors are all of the non-living things in an ecosystem. Both biotic and abiotic factors are related to each other in an ecosystem, and if one factor is changed or removed, it can affect the entire ecosystem. Abiotic factors are especially important because they directly affect how organisms survive.
Answer:
D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.
For the answer to the question above,
Water absorbs vast amounts of energy. Likewise bodies of water release energy very slowly. Areas near water are usually milder. Organic materials (such as plants and animals) tend to absorb more energy. Unlike a desert that holds it. Thus air temp. in a forest is usually cooler than the temp. in a desert.
Since land and water heat at different temperatures, the effects of this process creates climates. For instance, warm weather and moisture from oceans can create hurricanes. I hope this helps
<span>B. converted from nucleic acids to amino acids in the nucleolus.
</span>
