Answer:
B
Explanation:
Source credibility is very important. If there isn't any other information that proves or disproves your source or double checks it, its not typically "credible"
Answer:
excretory system and circulatory system
Explanation:
Blood is part of circulatory system and as it move through various organs it exchanges the gases i.e give oxygen to the cell and take carbon dioxide from them. After taking CO2, the blood becomes impure and hence it passes through the kidney before going to the heart. Kidney is part of excretory system which removes carbon dioxide from blood and thus purifies it.
<span>the alleles that control which blood group antigens appear on the suface of red blood cells are codominant.</span>
Answer:
A chemical element is a type of atom with the same number of protons in their <u>atomic</u> nuclei.
Explanation:
For an example, the atomic number of Chlorine is 17, and there is 17 protons in Chlorine.
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Answer: The answer is, use of fertilizers (manure) in farming this is on study island
Explanation:
