If if vegetation doesn't get enough water, it withers and dies, then vegetation will wither and die if it doesn't get enough what? Answer choices: - rain - radiation - oxygen - rocks - energy - water - dark - Energy.
water

If estimating the age of trees is done by Dendrochronologists, then dendrochronologists do what with regards to tree age? Answer choices: - lie about age - support - observe it - estimate age - begin age - focusing a lens - reinforce age - genetic diversity
estimate age

Q: If the gravitational pull of the Moon on Earth's ocean contributes to ocean currents, then if the moon was not present, what would happen to ocean currents? Answer choices: - erosion - Movement - decrease - summer end - imbalanced - flooding - watershred - rivers
A: decrease

Question: If diatomes have varied life cycles, then what have varied life cycles? Answer choices: - insects - h2o - bacteria - diatomes - mammals - days - gravity - Most plants
Answer: diatomes

*Question*
If antibodies can destroy cancer cells, then what can destroy cancer cells? Answer choices: - massive damage - Heart monitor - antibodies - rays or beams - belt - cancer - Pollution - adding heat
**Answer**
antibodies

(Q).
If relaxation is a prerequisite to that which has a positive impact on health, then relaxation is a prerequisite to that which has a what impact on health? Answer choices: - terrible - survive - mild - positive - negligible - negative - sweating - exercise
(A).
positive