When an object turns around it’s internal axis (the earth turns on its axis) its a rotation. When an object turns around an external object (earth going around the sun) is a revolution.
Answer:
A
Explanation:
I think an untreated water can carry disease causing organisms and make people sick
Allopatric<span> speciation occurs when new species arise as a result of geographic isolation from the ancestral species. It involves an extrinsic barrier to gene exchange and can occur by a number of means including subdivision or peripheral division.</span>
No, the most healthiest and recommend way to deal with stress is by exercising. (For exp: walking, jogging, interaction, etc...)
You're correct because when birds hit their max altitude it's harder to breathe and to minimize the time of there flight they store immense amounts of oxygen in their lungs.
