Answer:
An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral.
"windweathered" because the use of wind weathering would bring the sand all around and it would be wind weathered
Answer:
1. cells
2. energy
3. pre-existing cells by division
Explanation:
D) 1 and 4
Chromosomes are made up of DNA. DNA strands contain short segments called genes.
The correct definition of density is the degree of compactness of a substance.
