Which of the following is a testable hypothesis a. people don't appreciate just how old giant sequoia trees really are. b. after much discussion, it is concluded that pandas would prefer root beer to ginger ale if they were allowed to drink carbonated beverages. c. chirp faster when the night is warmer. d. snakes are used too much in movies to scare people.

What is one benefit of a nonrenewable resource, such as natural gas? a. generate large amounts of electricity b. less expensive overtime c. produces pollution d. will run out eventually

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Common commercial benefits of microorganisms include synthesis ofa. insulin.b. antibiotics.c. aspirin.d. antibiotics and aspirin.e. antibiotics and insulin.