Answer:
is a type of limestone
Explanation:
because it's composed of mineral calcite.
Answer:
b all cells have a nucleus
Explanation:
Answer:
sure bro, ill help
the answer for question 8 is the third one
the answer for question 9 is the second one
Explanation:
question 8 - each cell is differentiated by the DNA, as DNA is the structural and functional unit of the cell, and gives it all of its own unique qualities
question 9 - nucleotides are the part of the body that sort of encode information and instruction from the center of the cell, the nucleus. and the nucleus contain the important DNA, so it is self explanatory
Answer:
electromagnetic waves can travel in a vacuum
Explanation:
