Answer:
No atoms are created or destroyed in chemical reactions.
Explanation:
Matter cannot be created or destroyed. When two reactants contact each other, a chemical reaction occurs which breaks the bonds between atoms and rearranges them, forming new bonds which transform them into the product. The same amount of atoms exists before and after the reaction.
Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Explanation:
Answer:
B, the lion population will more likely survive
Explanation:
There are more lions than cheetahs, the cheetahs will die out due to low reproduction
The genes appeared in a later generation, they were dormant.
I’m pretty sure the answer would be C
Since the mitochondria is the power house and the chloroplast is where photosynthesis takes place