Answer:
build up
Explanation:
b. accumulating increased concentration
Answer:
a secondary consumer is something who eats the first consumers. first consumers are things that get energy from the sun. such as plants. do pretty sure it's d
Answer:
Reproduction is the ability of living organisms to give rise to new individuals of the same species.
Respiratory system includes all the structures and organs of living organisms associated with the process of taking oxygen into the body and giving out carbon dioxide and water vapour into the environment.
Putting a control to pollution and deforestation is effective
Answer:
B
Explanation:
This number that is put in a compound is called a subscript. It is put in front of the symbol of the element being represented. An example is CO₂ which means there are one (1) carbon and two (2) oxygen atoms in the compound.