The best way to do a observation can be a microscope or by taking notes ,and by , taking pictures or, asking questions about the subject that you and the teacher or you, your teacher and the class is talking about .! Hope this helps ..
Answer:
oxygen atoms come from split water molecules
Explanation:
Organism is the smallest unit of organization.
<span>B.) It is moving away from Earth.</span> When an objects moves far from the viewer, it's light is affected by a change called doppler effect or doppler shift.
D.exotic animal trade contributes to reemergence of diseases more than the appearance of new disease<span />
