Planets move slower when they are furthest from the sun. But when they are closer they move faster because of the gravitational pull of the Sun.
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Answer:
The nuclei of most atoms also contain neutrons . The masses of subatomic particles are very tiny. ... Since the nucleus contains protons and neutrons, most of the mass of an atom is concentrated in its nucleus. Protons and electrons have electrical charges that are equal and opposite.
When a female animal and a male see each other the male would show off and they woulf matr and make a baby then the babys will grow up and make more
Either C or D. Those r the answers that make more sense.
Unicellular organisms...
Contain a single cell in their body
Do not contain membrane bound organelles
Use simple diffusion as a transport mechanism
All cellular processes are carried out by the single cell
Only visible under the microscope
Injury in the cell leads to the death of the organism
Asexually reproduce by binary fission
Sexually reproduce by conjugation
Lifespan is comparatively short