The population in the United States in 2000 was about 281 million people. In 2015, it was 321 million people. From 2000 to 2015, the population increased

What happens during the heat transfer within earth

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.