Answer:
1.Make an observation.
2.Ask a question.
3.Form a hypothesis, or testable explanation.
4.Make a prediction based on the hypothesis.
5.Test the prediction.
6.Iterate: use the results to make new hypotheses or predictions.
Explanation:
A : a car driving down a hill
Also called simple sugars, they are the most basic units of carbohydrates
Answer:
Observers ahead of the wave observe an apparent increase in wave frequency
Explanation:
This is the Doppler Effect. The frequency of a wave increases when the source approaches the observer and decreases as the source recedes.
B, C, and D are wrong. Observers behind the source notice a decrease in frequency.
Food storage and digestion take place inside a food vacuole in the cytoplasm of amoeba.<span> Once digested, it reaches each cell organelle.</span>
