they help us see because the retina also contains the nerves that tell the brian what the photoreceptors are seeing
It should be a food web, because there are various producers and consumers, and the bears and humans eat each other
Answer:
they tend to run more smoothly and on schedule;
not having a human on board to deal with unexpected problems
Explanation:
I just had the same one
Answer:
Explanation:
The independent variable determines the value that needs to be calculated or the decision that needs to be made from the observations of the experiment. Hence, experimental design decision would most likely produce invalid and unreliable results when having more than one independent variable.
Answer:
B. Oxygen molecules recombine to allow cells to get larger