Answer:
Even primitive cells, like the prokaryote, can carry out the functions of life.
Explanation:
Most multicellular organisms are eukaryotes, like you and me. Generally, the one-celled organisms can be either. But, even the most primitive prokaryotes can carry out the functions of life.
Ptolemy's model had Earth at the center, and the moon's revolved around the planets instead of the planets revolving around the moon and sun. The planets' orbits' moved instead of the planets as well. Geocentric has Earth at the center and heliocentric has the Sun at the center
Answer:
A barometer
Explanation:
It is commonly used to measure atmospheric pressure
Answer: density
Convection is the circular cycle of rising and falling of a liquid or gas as it becomes hotter or cooler. When a liquid or gas becomes hotter, its density decreases, which causes the substance to rise. After rising, the substance loses heat and becomes cooler, which increases its density. This causes the substance to fall or sink to the bottom.