3 examples would be touch, light and chemical.
and the most common signal would be chemical.
Hope this helps! (:
Respiratory and circulatory systems work hand in hand to expel wastes. respiratory system removes CO2 and the circulatory uses the blood as a medium to move excess salts and water from source to sink.
Answer:
A. It stops the release of eggs from the ovaries.
Explanation:
Emergency contraception stops the process of ovulation or releasing of the egg during pregnancy. It reduces the risk of getting pregnant after having an intercourse.
Answer:
Why is the air colder farther from the earth,you ask ?its easy
Explanation:
A pretty basic answer is that the farther away you get from the earth, the thinner and thinner the atmosphere gets. The total heat content of a system is directly related to the amount of matter present, so it gets cooler and cooler at higher elevations.
