An explosion that destroys the outer portion of a star is known as a

a. supernova.

b. protostar.

c. supergiant.

d. nebula.

5. When the sea floor spreads apart, volcanoes and ridges are formed because - a. sediments are deposited where the floor spreads, building ridges b. as the plates pull apart, magma moves to the surface, building ridges c.

What issue sub-saharan africa is currently facing, or will face in the near future.?

Explain why the nature and scope of geomorphology is interdisciplinary

Which property of a rock determines its color? O its grain size O its method of formation O its mineral composition O its coarse-grain content

Which angle pairs are supplementary? Check all that apply 21 and 22 24 and 23 24 and 25 27 and 25 23 and 26

How to slove this promble 10n+12=14n-12

How was information passed down between generations of Mayans? Question 19 options: detailed hieroglyphic writing system traditional story telling elaborate dance rituals pyramids and sculptures

Which term describes the rising of cold water from deeper layers to replace warmer surface water?

5 3/8 + (6 3/4 - 4 1/8)

Which is accurate of the urban poor? A. They're often rural migrants with no title to housing or rights to established businesses. B. They live in apartment complexes. C. They have access to healthcare and obtain an education. D.