Answer:A, C, E .
Explanation:
I just did it on USA testprep
Stone tools we’re first used around 3,300 BCE
The longest day of the year isn't the hottest day of the year because the phenomenon of the hottest weather following the summer solstice by a month or two is called the lag of seasons.
Answer: chlorophyll
Explanation: it has certain cells that are light-sensitive and capture that solar energy
Answer:
Explanation:
Scientific theory: a well established, highly reliable explanation
Scientific hypothesis: makes predictions of future events/
Both: based on observations of natural phenomenons/ can be tested by many researchers