Respiratory system, because the lungs and diaphragm would get the oxygen from the air, and transfer them to the circulatory system (that's a pretty basic explanation, there's much more to it)
Answer:
B; Not work
Explanation:
Water constantly moves around the Earth and changes between solid, liquid, and gas. This all depends on the Sun's energy. Without the Sun there would be no water cycle, which means no clouds, no rain, no weather.
Answer:
Zoologist
Explanation:
A person who specializes in the study of animals is called a zoologist. Zoologists who study certain kinds of animals have their own names.A botanist is a scientist who studies or experiments with plants. These plants may include a range of organisms, including flowers, trees and algae. Botanists are a type of biologist. Botanists study all forms of plant life.
Answer:
10 H atoms combine with 5 oxygen to form 5 water molecules.
Explanation:
those substances which having low boiling point or low melting point such as water they form covalent bond.
Covalent bonds form between non-metal atoms. Each bond consists of a shared pair of electrons, and is very strong. Simple molecular substances and giant covalent structures have different properties.
