Answer:
Each egg and orgasm contains a different combination of genes. This is because when egg and orgasm cells form, the chromosomes join together and randomly exchange genes between each other before the cell divides.
Answer: Digesting food is a chemical change.
Explanation:
Chemical changes cannot be undone so digesting the food is considered a chemical change.
i think its a. hope this helps
Answer:
A. The excess CO2 in the atmosphere will increase global warming.
Explanation:
Without enough trees here to process Co2 global warming will increase
1.underground stem -- for storage of food ex. potato , ginger.
2.spines for protection ex. citrus , bougainvillea