Answer:
main (let me know if I am wrong but that seems right) can I get brainliest please? (rate 5 stars please)
Explanation:
They all have different compositions of protons, neutrons, and electrons. This causes variety and makes atoms different so they can make up different substances
Answer:thats too hard sorry
Explanation:sorry but i get points so haha
Answer:
: any of a series of chemical reactions in photosynthesis not requiring the presence of light and involving the reduction of carbon dioxide to form carbohydrate especially : calvin cycle.
I think 1 is C and 2 is A
