(Q).
If spillways can affect the level of lakes, then what can affect the level of a lake? Answer choices: - boat traffic - flooding - boat shipping - erosion - Pollution - salinity - over fishing - spillways
(A).
spillways

(Q).
If plants require photosynthesis for survival, then why do plants photosynthesize? Answer choices: - Solar energy - For survival - For reproduction - flow of electrons - by indirect light - To store water - circulatory system - To create carbon dioxide
(A).
For survival

(Q).
If the gravitational pull of the Moon on Earth 's oceans causes waves, then what does the gravitational pull of the Moon on Earth 's oceans cause? Answer choices: - Energy. - two - waves - fires - the Sun - sunlight - rivers - erosion
(A).
waves