The erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by mechanical processes
an organism is resistant to a chemical if it has a gene that protects it from the chemical.
Answer:carbon,hydrogen, nitrogen, oxygen, phosphorus, sulphur
Explanation:living things are characteristized by hierarchy in their organisation.macromolecules are made up of elements each with it's unique chemical bonds.
Within the cell, macromolecules are found in organelles ,which form the cells.the cells combines into tissues,which combines into organs .organs systems consists of similar functional organs.
living things commonly contains carbon, hydrogen, nitrogen,oxygen, phosphorus and sulphur.
(Mnemonic---CHNOPS)
Binary fission refers to the type of asexual reproduction. It is the most general kind of reproduction in prokaryotes like bacteria. It takes place in some unicellular cells like Paramecium and Amoeba.
Answer:
the cerebellum is at the back of the brain it controls the muscle
