If a tree falls then sunlight becomes available to the surrounding plants, and plants use sunlight for photosynthesis. Given these facts, what can make photosynthesis more accessible to surrounding plants among the following options: - Energy. - a giant earthquake - circulatory systems - organic molecules - a tree falling - a huge fire - a great flood - Solar energy
a tree falling

(Question)
Blowing air into a whistle causes air to vibrate inside the whistle, and soon the wind blows in fresh air. Given these facts, what would wind going through a whistle cause among the following options: - vortex - friction - vibrant colors - waves - Energy. - kinetic energy - absence of sound - vibrations
(Answer)
vibrations

Ques: Ozone depletion results in higher levels of UV radiation reaching Earth, and ozone is represented chemically as O3. Given these facts, the depletion of what results in higher levels of UV radiation reaching Earth among the following options: - O3 - O2 - oil - pan - h2o - CO2 - DNA - DDT
Ans: O3

(Q).
Smoking tobacco decreases stamina, and tobacco Consumption Most of the tobacco is consumed in the form of cigarettes. Given these facts, what decreases stamina among the following options: - dry conditions - burning - Dehydration - cancer - cigarettes - viruses - toxins - liver cancer
(A).
cigarettes

Ques:Being exposed to wind can cause erosion of soil, and water erosion has similar consequences as wind erosion. Given these facts, water can have similar consequences on soil like among the following options: - wind - death - Injury - sunlight - force - harm - animal fur - trees

Ans:wind

Waxy leaves are used for storing water by some plants, and kalanchoes are known for their waxy, thick, dark green leaves. Given these facts, what uses leaves to store water among the following options: - animals - horses - heterotrophs - kalenchoes - eukyarotes - camels - it needs them - fans
kalenchoes