Select two risk factors for self-harming behavior. a. having high self-esteem b. having a history of neglect or sexual or physical abuse c. having friends who self-harm d. being male

Which is not a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Approximately what wavelength of light is best absorbed by chlorophyll a