D. Matter and energy are the same.
genetics and reproduction is all about dna.
Answer
a
Explanation:
the giraffe doesn't need carbon dioxide
The reaction occurs in a similar way as magnesium does, but much less vigorous. Strong heating is required to make iron powder burn in oxygen. The reaction gives out a yellow showery sparks and produces a black solid. iron reacts with dilute hydrocloric acid to give iron chloride and hydrogen gas.
