If many corals secrete an exoskeleton that gives homes to fish, then what do exoskeletons secreted by corals do? Answer choices: - Give homes to humans - Give homes to penguins - competing for resources - Give homes to fish - reproduce - Give homes to birds - preventing heat transfer - protect them
Give homes to fish

(Question)
If organisms that live in marine biomes must be adapted to the salinity, then organisms that live in marine biomes must be adapted to what? Answer choices: - environment - survival - Deposition - heat or cold - Deposition. - Salinity - evaporation - heat
(Answer)
Salinity

Ques: If matter vibrating can cause mechanical waves, then what can vibrating matter cause? Answer choices: - electromagnetic energy - Relieve pain - nothing - loss of matter - destruction of matter - mechanical waves - Electrical energy - kinetic energy
Ans: mechanical waves

(Q).
If sleeping has a positive impact on health, then what has a positive impact on health? Answer choices: - squids - Drugs - running - Sleep - Insomnia - tuna - Eating dessert every night - stamina
(A).
Sleep

Ques:If earth orbiting the Sun causes days to change, then what causes days to change? Answer choices: - Space travel - recovery time from fatigue - Earth orbiting the Sun - sunlight - earthquakes - Solar energy - prolonged thirst - global warming

Ans:Earth orbiting the Sun

If if an object is made of a metal, then that object has the properties of that metal, then if an object is made of a metal, then that object has the properties of what? Answer choices: - kinetic energy - that metal - support - Energy. - barrel-shaped - heat energy - mechanical - energy
that metal