Answer:
1. true
2. human immunodeficiency virus) is a virus that attacks the immune ... HIV is often spread by people who don't know they have it.
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) Use the results to make new hypotheses or predictions.
Explanation:
Answer:
B
Explanation:
Nerve cells can carry signals and connect all parts of the body to the brain
D. Cones
Cycads are basically composed of woody plants which have roots, a stem, leaves and reproductive structures called Cones. These cones differ from each other depending on the plant whether it is female or male. These cones vary from shape, size, color, etc. based on the sex of the plant.
