RNA stands for ribonucleic acid. It's primary function is to make ribosomes, hence the answer is 'a'
Kelp is a kind of a brown algae (Phaeophyceae). It is a cold-water seaweed also used as food and as a source of iodine. It is considered safer and better than any other chemicals for the body. It develops through sunlight and it gets nutrients and minerals from the water around it.
OB. A man’s testicles have not properly descended, lowering sperm count
Answer:
Mechanical Weathering
- caused by freezing and thawing of of water.
- caused by the movement of agents such as glaciers and wind.
Chemical weathering
- caused by processes such as corrosion, hydrolysis and dissolution.
- caused by precipitation reacting with minerals in the rock.
- creates new substances such as clay and salts.
Answer:
B. Living things
Explanation:
cells are the basic unit of life and function
