Which of the following mutations is evolutionarily important?

after an injury, a replacement skin cell mutates during replication.
a gene in an egg cell inserts two extra base pairs during cell division.
exposure to radioactive material causes cancer in a nuclear power plant worker.

How would you take a difficult subject matter - such as poaching, deforestation, or climate change and communicate it in a kid-friendly way

What happens during the experiment stage of the scientific method

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.