Select the correct answer from each drop-down menu. Why is nuclear power considered to be a clean source of energy?

Nuclear power is regarded as a clean source of energy because it doesn't produce
1. or 2.

1
A) greenhouse gases
B)Harmful waste products
C)enough energy

2
D)too much energy
E)helpful waste products
F)air pollutants

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.