Answer:Physical systems differ from social systems because a physical system refers to systems that rely on a group of physical parts to perform a function. Examples of a physical systems are solar systems or even an animals digestive system. Social systems are systems like an ant colony, wolf pack, or a town.
Explanation:
Answer:
Lived during the time of dinosaurs.
Explanation:
Both types of trees have existed since the time of dinosaurs or earlier.
<span>There are two parts of cellular respiration that occur in the mitochondria and they are the citric acid cycle and the electron transport chain. The citric acid cycle is also known as the Krebs cycle but is also sometimes called the tricarboxylic acid cycle.</span>
Answer:
Potassium and Carbon Dioxide
Explanation:
