A is your answer.
Water containing no salt is known as isotonic solution
Answer:
The respiratory centers that control your rate of breathing are in the brainstem or medulla. The nerve cells that live within these centers automatically send signals to the diaphragm and intercostal muscles to contract and relax at regular intervals.
Answer:
Competitiveness between species will increase
Explanation:
When there is less resources available to a species that means no every animal can survive so the species will have to compete for survival
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Answer:
Autorophs are living organisms that make their food through photosynthesis while heterotrophs are living organisms that can not make their own food, so they must eat it.
Explanation:
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