Identify the choice that best completes the statement or answers the question. Over several years, a population of bats that inhabits a cave decreases. Which of the following factors could cause this decrease in bat population to occur? Choose the two that apply. -decrease in predators -competition for shelter -increase in food supply -infection by a fatal disease

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.