Please help it's due today will mark Brainiest Review Questions
One way that scientists are currently working on finding better ways to see and study space and make estimations that are closer to fact is through GAIA Mapping. What is GAIA mapping and how is it anticipated to help scientists better see and study space?
Why are there more younger stars than older stars in the galaxy? Explain.
What is the oldest planet in the universe? How did scientists arrive at this conclusion?
What are the three main parts that make up GAIA? Briefly explain and describe each.

Select the correct answer. what does the process of natural selection involve?

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.

Researchers conducted an experiment to identify the effects of three different hand sanitizers on the growth of bacteria. the researchers grew one type of bacteria in twenty-four identical covered petri dishes. then, they opened eighteen petri dishes and applied the three hand sanitizers to six petri dishes each. they left the remaining six petri dishes closed as a control group. when the researchers measured the growth of bacteria two days later, the six dishes that had no hand sanitizer showed the least amount of bacterial growth. the researchers concluded that not using any hand sanitizer would lead to the least bacterial growth. which statement best explains why the researchers’ conclusion was not justified? the experiment tested too many variables. the control group was not treated the same as the experimental group. the sample size of twenty-four petri dishes is not large enough. the single type of bacteria is not adequate to make any conclusions.