About how long will a star with a mass about the same as our sun's mass

stay on the main sequence?

A) 5 million years

B) 10 billion years

C) 50 billion years

In comparing sunspots to the other areas of the suns surface, one can say that sunspots are: a - slower in reacting to creating energy b - similar in temperature c - cooler d - warmer

Who established the first successful European settlement in Canada?

Treeless plain that sprouts grasses and losses only in summer

If a country has a high HDI, what might we expect its birth, death and population growth rates be like? HDI - Human Development Index

Name 5 ways that the order rock can be distributed

This is the innermost layer of the planet. On earth, it is made of primarily iron and nickel.

Where does most of the population of Canada live?

Where were the king and queen of france while women were gathering?

The most complex level of organizational hierarchy in the Arctic National Wildlife Refuge that is preserved is a. the population of brown bears in the area. b. every species of fish in the area. c. every ecosystem in the area. d.

how did Europeans took control of South Africa (Dutch, Germans, British) ?