Plants can grow in different types of soil. Which of these are both types of soil?
A chalky and clay
B chalky and nitrate
C clay and calcium
D magnesium and sandy

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

What three things determine the shape and size of a puddle when water is poured out onto a surface

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand