The stars generate helium from hydrogen at core temperatures of about 10 million degrees. why does it require even higher temperatures to create elements with greater numbers of protons than helium?

What major physical feature stretches across the North Africa? A) sahara desert B) Africa steppes C) Fertile Crescent D) Taurus Mountains

Sediments are classified as: Select one: a. Particulate and crystalline b. Detrital, chemical/biogenic c. Detrital, clastic d. Detrital and Biochemical

What is the angle supplementary to the angle measuring 165

What are 3 surrounding continents to the Arabian peninsula

What intervening variables that could affect the performance of a freely suspended compass and linear measurement?

Witch South America country is the farthest place on the earths surface from the earths center located Brazil Ecuador Peru Chile

Total land mass area of europe in square kilometres

The population density of the Philippines is 798 people per square mile. If many refuges arrive from a neighboring country how will they affect the population density? O A. Cannot be determined. O B. The population density will decrease. C.

Select all of the true statements about deep ocean currents. A. They form gyres. B. They transport heat across Earth's surface. C. They are known as "thermohaline circulation." D. They are caused by wind and Earth's rotation. E.

What is the difference between emigrate and immigrate?