If an object at absolute zero cannot be measured by a balance, then what object cannot be measured by a balance? Answer choices: - layers of fat - One at absolute zero - Warm air moving into cold air - all matter - direct damage to the lungs - slow and inefficient - movement of tectonic plates - Continents drifting
One at absolute zero

If chemical changes require activation energy to get started, then what require activation energy to get started? Answer choices: - changing colors - chemical additions - reacting colors - Firecrackers - an engine - heating liquids - Organic compounds - chemical changes
chemical changes

Q: If aliquid is frozen when it becomes a solid, then what state is a liquid in when frozen? Answer choices: - vapor - dense - gas - cooled - steam - solid - boiling - cold
A: solid

Question: If some insects have special excretory structures, then what sometimes has special excretory structures? Answer choices: - insects - bees - a fish - barnacles - animals - carbon - feces - humans
Answer: insects

*Question*
If conifers trees have woody trunks and known as evergreens, then what are conifer trees known as? Answer choices: - evergreens - Oaks - trees - gymnospores - graptolites - cacti - more abundant - ferns
**Answer**
evergreens

Q: If looking at the sun has a negative impact on the eyes, then looking at what object could have a negative impact on the eyes? Answer choices: - sun's heat - squids - heat - Betelgeuse - Polaris - Light - The Sun - The Moon
A: The Sun