True or false a factor can change in an experiment is called a variable

2 An astronaut has a mass of 70 kg. a What would her weight be on Earth? b What would be the force of gravity on her when she is in orbit?

The main predators of field mice in a certain ecosystem are rattlesnakes and foxes. suppose humans begin building neighborhoods in the ecosystem, driving out many of the indigenous rattlesnakes and foxes.

As in the case of Marie Curie, prolonged exposure to radioactivity of any kind can lead up to ALL BUT one of these results

What role has moving water played in shaping earth's surface

Why do astronauts go. to space?

What is a plate? a the ocean floor b a continent c crust and upper mantle d large piece of the earth's crust

Chemical reactions in cells are faster than the same reactions outside cells. True or false?

Which tree harvesting method promotes the growth of younger trees by selectively cutting mature trees over a period of 10 years?

What is NOT an impact that an invasive non-native species has on an ecosystem?

Which organs of the vestibular apparatus would be activated by movements of the ship at sea?