Which country most likely has the highest level of development? a) a country with an expanding industrial sector of the economy
b) a nation with a population reliant on subsistence farming
c) a country with advanced scientific research centers
d) a nation that depends on its mining industry

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

Why are shark population in decline worldwide?

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy