At what temperature does a stars core begin its function reaction

The world's population is concentrated in certain countries like China most likely because of A. there being endemic diseases in the country. B. the lack of availability or lack of use of contraceptives. C.

What happens under a democratic system that does not happen under a representative democratic system? Check all that apply. O A. The majority rules. B. An assembly of all citizens holds sovereignty. I C.

Briefly explain how one specific environmental geographical feature of the new england colonies contributed to the region's unique development before 1754.

The rivers of the Lowlands were important to the Maya for the transportation of people and materials. A. True B. False

What evidence was used to support the plate tectonics theory?

How temperature and density change from the crust to the core

Which plain is completely located in Canada? 1 Great Plain 2 Baffin Island 3 Canadian Shield 4 Coastal Plains

What does an ecological designer consider about a product?

Where would you expect to find tectonic plate boundaries in Latin America?

If we were to magically replace our Sun with the supergiant star, Betelgeuse, how many planets in our Solar System would be inside of the star itself? (Hint: Compare the semi-major axis of the planets to the Stars Radius).