Answer:
4
Explanation:
Mars Odyssey and Mars Express required spectrometric equipment that could analyze Mars's atmosphere
If the stimulus reaches the threshold an action potential will be generated. If the stimulus doesn't reach it no action potential will be generated. If the stimulus will be stronger the action potential will have the same amplitude. The refractory period makes it harder to generate an action potential so they decrease the frequency of action potential production.
The answer is the third option! Photosynthesis is the process in which plants convert carbon dioxide, water, and light energy into oxygen and glucose! Have a great day, I hope this helped! ^_^
Answer:
Mechanical Digestion
The large pieces of food that are ingested have to be broken into smaller particles that can be acted upon by various enzymes. This is mechanical digestion, which begins in the mouth with chewing or mastication and continues with churning and mixing actions in the stomach.
Explanation:
Must increase respiratory rate to maintain adequate minute volume
