What happened to atmospheric composition? Oxygen began leaking into the atmosphere.

Volcanic activity filled the air with carbon dioxide

Oxygen absorbed into the earth

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.