If phytoplankton use sunlight beams to make food, then phytoplankton use what to make food? Answer choices: - sun's heat - sunlight beams - refraction of light - heat energy - visible energy - by indirect light - produce light - Positive charges
sunlight beams

If viruses often can spread bacteria through droppings, then viruses often can spread bacteria through what? Answer choices: - the skin - microscopes - contamination - covering - washing - alveoli - droppings - coating
droppings

Q: If running water is better able to dissolve oxygen and minerals than standing water, then running water is able to do what to minerals and oxygen? Answer choices: - evaporation - dissolve them - reducing acid rain - recycling - clean them - separate them - hydration - cool them
A: dissolve them

Question: If weathering means eroding rocks down into smaller pieces of minerals, then weathering means eroding rocks down into what pieces of minerals? Answer choices: - similar - sand - small - soils - smaller - larger - calcite - bigger
Answer: smaller

*Question*
If pollution is usually harmful to population size of a species, then what is usually harmful to the population size of a species? Answer choices: - Pollution - reproduction - viruses - disease - habitat - ecosystems - influenza - deforestation
**Answer**
Pollution

(Question)
If keeping things cold in a fridge is a way to adequately store them, then keeping things what is a way to adequately store them? Answer choices: - cold in a fridge - hydrogen and oxygen - hot in a pan - layers of fat - in the trash - out in the yard - Electrical energy - staying warm
(Answer)
cold in a fridge