Plants detect and respond to the daily cycle of light and darkness, and plants are sensitive to light. Given these facts, what are plants sensitive to among the following options: - Pollution - sun's heat - gravity - moon - competition - darkness - temperature - tides
darkness

(Question)
Absorbing energy causes objects to heat, and all light is energy, which is eventually absorbed and turned into heat. Given these facts, what does light cause an object to do among the following options: - It expands - Grow faster - Start dying - observe it - Get cold - break off - Warm up - moves
(Answer)
Warm up

Ques: Phase changes do not change mass, and melting, freezing, condensation, and evaporation are examples of phase changes. Given these facts, melting matter does not change its among the following options: - crust - metal - mass - O3 - heat - cycles - energy - liquid
Ans: mass

(Q).
Viruses often infect bacteria, and viruses Viruses are the simplest organisms known. Given these facts, what often infects bacteria among the following options: - major threat to health - h2o - simplest known organisms - Food poisoning - mercury - humans - By wind and rain - microorganisms
(A).
simplest known organisms

Ques:Bacteria in soil convert atmospheric nitrogen into a form usable by plants, and like nitrogen, phosphorus is a plant nutrient. Given these facts, what in the soil converts a type of nutrient into a form usable by plants among the following options: - sugar - Beetles - Plants - Glucose - Bacteria - a solute - Roots - Enzymes

Ans:Bacteria

Ques:If an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity, and normally ice floats, because it is less dense than water. Given these facts, what happens to ice in water among the following options: - it evaporates - it sinks - it floats. - it expands - they bend - Condensation - vaporization - kinetic energy

Ans:
it floats.