Answer:
You must write an article if you think there is a link between it asteroid impact and a dinosaur's extinction. explain the correlation between the two events I'm provide evidence within the article that you write that supports your claims.
Calcium will form ions with a charge of +2
Protons and Neutrons, the electrons circle around the nucleus.
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Answer:
glucose and oxygen
Explanation:
Glucose and oxygen are needed for cellular respiration to occur:)
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