Organs of excretion make up the excretory system, and all internal organs are vital organs. Given these facts, a thing that is what makes up the excretory system. among the following options: - matter - vital - omniscient - external - toads - food - always angry - animals
vital

(Question)
Exercise has a positive impact on a human 's health, and every workout is as much an intellectual exercise as a physical exercise. Given these facts, what has a positive impact on a human 's health among the following options: - tuna - viruses - workouts - food - stamina - worthlessness - oysters - overwork
(Answer)
workouts

Ques: Flowing water can slowly dissolve carbon in sedimentary rock, and rivers are long flowing waters. Given these facts, what can slowly dissolve carbon in sedimentary rock among the following options: - an ion - rivers - a solute - rain - oil - sodium - fens - SO2
Ans: rivers

(Q).
Decomposition increases the amount of nutrients in the soil, and soil provides nutrients and moisture necessary for plant growth and is fundamental to all life. Given these facts, what increases the amount of plant growth and is fundamental to all life among the following options: - circulatory systems - genetic material - hurricanes - tsunamis - genetic diversity - decomposition - torrential rain - organic molecules
(A).
decomposition

Ques:Oil is formed by layers of sediment pushing down on decomposing algae, and when algae dies, it uses oxygen to decompose. Given these facts, what is created when sediment mixes with dead algae among the following options: - Flowers - peat - bogs - lake - Lillypads - Water - Oil - moss

Ans:Oil

Ques:The surface of a beach is formed by mechanical weathering, and most beaches are of white coral sand. Given these facts, what action produces much of the sand from coral among the following options: - reef building - radioactive decay - mechanical waves - glass blowing - It used to be covered by water - The area was once underwater - Mechanical weathering - By coral exoskeletons

Ans:
Mechanical weathering