Active transport, which occurs at the expense of energy.
Electrons are subatomic particles that orbit around an atom. This electrons can be shared with other atoms when two atoms are willing to bind with eachother.
Answer: Electron.
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A vaccine uses a live pathogen that is too weak to make you sick. Once it enters your body you defeat it easily. Now that yur body is familiar with it your body can fight off the disease in the future.
Walking does not contribute to global warming.
Answer:
1. specialized cells
2. extracellular protein fibers
3. a fluid known as ground substance
Explanation:
