Answer: Evolution is the process by which populations of organisms change over generations. Genetic variations underlie these changes. as we evolve our genetic genes change because the gametes come from 2 parents and has half the DNA (23) and thousands of years passes and if you will compare people in ancient times to now we are completely different.
Answer:
Normally, plant roots grow downward,but in space, roots grow in every direction.
Explanation:
Plant roots grow downward ,because it’s easy for them to soak up water and nutrients that make their way into the soil.
D. The distance between school and your house and the direction you traveled
Answer:
1. Physical models: smaller and simpler representations of the thing being studied. Eg. A globe or a map is a physical model of a portion or all of Earth.
2. Conceptual models: ties together many ideas to explain a phenomenon or event.
3. Mathematical models: sets of equations that take into account many factors to represent a phenomenon. Mathematical models are often done on computers.
4. Mental models: personal and internal representations of external reality that people use to interact with the world around them. They are constructed by individuals based on their unique life experiences, perceptions, and understandings of the world.
Speed = distance ÷ time.
1864/42=44.38
