During the devonian period animals that could live in land began to evolve. these animals still spent part of thier lives in the water what were these animals called

How is an ecoregion different from a ecosystem?

Reyka is studying the effects of high humidity on fungal growth. The best location for her to conduct her experiments would be of the Himalayas. A: North B: East C: South D: West

Which of the following is a threat to human health due to global warming? A. rising sea levels and coastal erosion B. increased droughts, hurricanes, and floods C. accelerated extinction rates of plants and animals D.

How do scientists know the mantle is hot molten rock

Which of the following is a divergent boundary? a. Continental-continental b. Transform c. Oceanic-continental d. Rift valley

How have scientists been able to determine the compostion of earths layers

Fossil fuels are natural resources that are non renewable

Does Greeks have peninsulas and archipelagos?

Match the layer with its correct description. 1. inner core Solid rock about 720 km thick that flows from plasticity. Temperature is about 850°C. 2. outer core Made of solid iron about 1,200 km thick. Temperature is about 7,000°C. 3.

A budget deficit is the a. renevue earned by the government b. amount overspent in a certain time c. the effects of fiscal policy