If viruses are viewed by illuminating electrons, then what of the following can only be viewed by illuminating electrons? Answer choices: - insects - small animals - eyelashes - Light - an image - fungi - viruses - an object
viruses

If coal produces electricity by being heated up in coal-fire power stations, then how does coal produce electricity? Answer choices: - It remains dormant - It gets cooled - By rubbing together - chemical reaction - It gets heated up - major threat to health - Through magnetism - heat energy
It gets heated up

Q: If clams feed on plankton and nonliving organic matter, then what feeds on plankton and nonliving organic matter? Answer choices: - sharks - density - clams - spiders - gills - seaweed - animals - fungi
A: clams

Question: If creatures will move to another habitat if there is little food, then what needs to be lacking for a creature to change habitat? Answer choices: - warmth - inedible plants - wind - oxygen - nektar - food - O2 - dirt
Answer: food

*Question*
If abreathing mask can be used for keeping out sulfate particles, then what is one thing a breathing mask can protect you from? Answer choices: - sulfate particles - enormous damage to homes - massive damage - too much air - Dehydration - electromagnetic radiation - choking on food - influenza
**Answer**
sulfate particles

*Question*
If adding salt to ice decreases the freezing point of that ice, then what decreases the freezing point of ice? Answer choices: - hyperthyroidism - increasing temperature - heating liquids - lowering temperature - Dehydration - keeping the temperature steady - adding salt - hypothyroidism
**Answer**
adding salt