The geologic time scale is divided by major changes in the fossil record.

a. True

b. False

Why does the earth have 4 layers?

What kind of wind do the northers bring to Texas? a. hot b. cold c. warm d. moderate

2. Did mammals become more or less abundant after the extinction of the dinosaurs? Explain why.

31. If 1.204 x 1024 atoms of a certain element weigh 80g, what will be the molar mass of the element? A. 80g D. 160g B. 120g C. 409

Which country is responsible for the largest share of U. S. exports? A. Japan B. Canada C. China D. Mexico E. Brazil

Cells are limited in size by their surface areas and what

a paragraph explaining why the North and South Poles experience seasons differently than the rest of the planet

Factories in Latin America that are owned by foreign corporations are called?

What system includes the core, mantle, and crust of the Earth? a. geosphere b. hydrosphere c. atmosphere d. biosphere

What is a tsunami? choose all that apply. hints choose all that apply. a wave that is larger than expected due to constructive interference a deep-water wave that is caused by an undersea earthquake a tidal wave a seismic sea wave a shallow-water