Astem is used to store water by some plants, and every plant and animal needs water to survive. Given these facts, what do stems help plants do among the following options: - reproduce - survive - expire - stay warm - growth - move - support - hide
survive

(Question)
Amphibians have a relatively complex circulatory system with a three-chambered heart, and all frogs are amphibians. Given these facts, frogs have a _-chambered heart. among the following options: - alveoli - organ - ovaries - oxygen - edible - three - nektar - CO 2
(Answer)
three

Ques: If an object is in the sunlight then that object will absorb solar energy, and solar energy heats surface. Given these facts, what will happen if an object is in the sunlight among the following options: - Grow old - Get dirty - photons - It expands - warmth - motion - Heat up - Cool down
Ans: Heat up

(Q).
Magnetism can cause objects to repel each other, and drop metal objects such as golf clubs, and backpacks. Given these facts, what can cause golf clubs to repel each other among the following options: - electrically - friction - layers of fat - water - fire - repellant - magnetism - heat energy
(A).
magnetism

Ques:Brain cells die quickly if their oxygen supply is cut off, and brain atrophy means the brain matter has shrunk, often because brain cells are dying or dead. Given these facts, what causes brain atrophy among the following options: - Smoking - sodium - Dehydration - sweating - death - birth - Veins and arteries. - lack of oxygen

Ans:lack of oxygen

Ques:Amold spore has a negative impact on the respiratory system, and respiratory symptoms include difficulty breathing, wheezing, and stridor. Given these facts, a mold spore has a negative impact on what among the following options: - vehicles - humans - breathing - gasoline - dirt - disease - rocks - cells

Ans:
breathing