Nuclear reactions in stars causes stars to produce light, and nuclear reactions convert mass to energy. Given these facts, what is something that converts mass to energy among the following options: - chemicals - pigeons - Cooking - Cars - sugar - light - energy - a star
a star

(Question)
Cells vary in size as well as shape, but all cells are very small, and all cells are microscopic in size. Given these facts, cells pretty much al share this one characteristic: among the following options: - sensory neurons - voltage - aerobic capacity - microscopic - eukaryotic - bacteria - prokaryotic - layers of fat
(Answer)
microscopic

Ques: Adrought can change the color of an environment from green to brown, and too little rain causes a drought. Given these facts, too little of what can change the color of an environment from green to brown among the following options: - pool water - energy - bath water - Acids - algae - heat - water hose - rain
Ans: rain

(Q).
Fertilization occurs when a sperm and an egg fuse to form a diploid zygote, and sexual reproduction requires formation of gametes, followed by fertilization. Given these facts, what involves a sperm and egg fusing to form a diploid zygote among the following options: - Leptospirosis - produce offspring - allow growth - sexual reproduction - metabolic reaction - peachleaf willow - rapid expansion - Plant reproduction
(A).
sexual reproduction

Ques:Irradiating food can be used to kill existing microorganisms in the food, and irradiation causes chemical changes. Given these facts, what can be used to kill existing microorganisms in food among the following options: - chemical changes - Dehydration - deoxyribonucleic acid - bacteria - an electron microscope - hydration - electromagnetic energy - single-celled organisms

Ans:chemical changes

Ques:Agasoline lawn mower converts gasoline into motion, and gasoline is a motor fuel only. Given these facts, what do lawn mowers use among the following options: - energy - two - motors - computers - engines - Energy. - grass - dirt

Ans:
motors