3 . Summer - Due to an increase in evaporation since it is hot .
A hypothesis is more or less an educated guess. An observation is noticing something and taking note of it. A theory is a possible explanation of how something works, and a law is a well tested statement. The answer is law.
Elevated carbon dioxide levels may mitigate losses of biodiversity from nitrogen pollution. ... Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising carbon dioxide levels could directly reduce plant biodiversity can be allayed, according to a new study.
Answer: Muscle cells and neurons spend more energy (ATP) than do fat or skin cells. The more energy a cell needs — greater in neurons and muscle cells, less in more “passive” cells — the more mitochondria tend to be present in the cell.
