How to geese know to fly south for the winter? A. Their mom teaches them B. They learn by watching other geese fly south C. It is an instinct D. It is written in their DNA code.
What is C. It is an instinct
How are volcanoes made? A. They are made when lava comes out of the ground and piles up to form a volcano. B. They are made when the top of a mountain erodes. C. They are made when two plates collide. D. They are made when someone bulldozed a hole inside of the top.
What is A. They are made when lava comes out of the ground and piles up to form a volcano.
What is the difference between an animal cell and a plant cell? A. Plant cells have cholorplasts and a cell wall. B. They are exactly the same. C. They both have chloroplasts. D. Animal cells are bigger than plant cells.
What is A. Plant cells have chloroplasts and a cell wall.
How do I know that a salamander is an amphibian and not a reptile? A. It has scaley skin B. It lays leathery eggs on land C. It lives in a hot dry climate D. It has smooth, moist skin and lives near water.
What is D. It has smooth, moist skin and lives near water.
When mountain ranges form, they form in long lines along a what? A. tectonic plate B. a volcano C. oceanic crust D. island
What is A. tectonic plate