Agroup of scientists is investigating the site of an ancient volcanic eruption. how can scientists determine whether more than one eruption occurred? a) by analyzing the order in which the different layers of ash emerged from the volcano b) by finding the distance of the ash deposits from the volcano c) by measuring the thickness of the ash deposits d) by dating the ash deposits

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an