Answer:
B. I & IV
Explanation:
U.S Government Bonds and Immediate Variable Annuity is best considered to be the most appropriate investment choices for a senior investor
Answer: a food chain or a food web
Explanation: (:
Natural selection is rhe sirvival of the fittest. The fittest for the environment. If there is a sudden change in the environment say for example, flood or forest fire, etc. , species that once thrived may no longer have what it takes to survive in the changed environment. Other species might find it easier to thrive in the changed environment.