If water can be boiled to remove harmful substances before drinking, then what can be done to water to remove harmful substances before drinking? Answer choices: - evaporation - vaporization - Dipping a magnet into it - hydration - Mixing in heavy metals - Cooking - Boiling it - Adding purified water to it
Boiling it

If giraffes require water for survival, then what do giraffes require for survival? Answer choices: - warmth - water - snacks - milk - prey - energy - food - Energy.
water

Q: If the Earth being tilted on its axis causes plants to receive less energy, then what can cause plants to receive less energy? Answer choices: - summer solstace - Dehydration - fossil fuels - exposure to cold - lunar orbit - They may not survive. - solar flares - the Earth being tilted
A: the Earth being tilted

Question: If if humans disturb bears in a location then those bears will move to a different location, then why would a bear move to a different location? Answer choices: - It remains dormant - it keeps an organism warm - if bears have a burrow - Temperature changing - if bears are well-fed - if humans disturb bears - if bears are safe - the body's largest organ
Answer: if humans disturb bears

*Question*
If viruses infect animals, then what do viruses infect? Answer choices: - animals - plants - bacteria - nonliving things - gravity - density - the skin - insects
**Answer**
animals

*Question*
If specialization is a result of natural selection, then natural selection results in:? Answer choices: - insects - root growth - Plants growth - Animal survival - animals - Plant reproduction - mammals - specialization
**Answer**
specialization