It is false that constellations are only visible in certain seasons due to the revolution of the Earth toward the constellation.
The order from the longest to the largest will be; Eon, Era, Period, Epoch.
Eon is the longest division of geologic time. Epoch is the shortest division of geologic time, only present in Cenozoic Era. Era is the second longest division of time, marked by sweeping changes in the fossil record. Period is the time division which is longer than an epoch but shorter than an Era.
Primary producers get their energy from the sun.
Answer:
The correct answer is - He only tested one subject, so his conclusion is not valid.
Explanation:
In the given question there is an experiment where Joey developed medicine for curing cancer. He tested the medicine on a cancer patient but his results did not publish in the journal as the experiment is not reliable as he tested on a single subject.
The tests or experiments should have performed on different subjects to test the reliability of the results. Single-subject experiments are not trustworthy as there can be other factors or physical condition can help the subject other than medicines.
Answer:
C: Converting radiant energy into chemical energy.
Explanation:
Only plants (producers) in a typical ecostystem can convert radiant energy into chemical energy.
