Explanation:
heredity determines some of the physical aspects such as the color of the eyes,the hair ,the skin etc
it also influences height and diseases and also personality
heredity also influences behavior since eg a son may have the same qualities such as braveness from his father
genes tend to change according to the environmental conditions eg when the early man started to light fire the fur from his skin shed hence that is a genetic mutation which is a change in genes caused by environmental chnges
Your first choice is right
not b, as sound cant travel in a vacuum (like outer space)
Answer: tax cuts, increases in military spending, and recessions
1945 was the around the time period when the second world was came to an end, the world did not want another out break and so the United Nations have tried their best to maintain world peace, that is how they are bound more tightly , after the many years that have passed, it is possible that war can occur at any moment and so nations are always on guard making their relationships contentious
