Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone, and erosion by acid solutions is only one way that caves form. Given these facts, how are caves formed among the following options: - less water - eruptions - Water expanding - storing water - volcanoes - by humans - chemical erosion - hard outer covering
chemical erosion

(Question)
An animal usually requires a warm body temperature for survival, and survival means survival of the species. Given these facts, what does a warm body temperature do among the following options: - helps a species to thrive - cools down the body - make a species endangered - Increase user's heart rate - heat the body - causes a species to go extinct - depress neuronal excitability - heat is produced
(Answer)
helps a species to thrive

Ques: Plants live just about everywhere on Earth, and air is everywhere in the earth's atmosphere. Given these facts, plants live just about everywhere within our planet's what among the following options: - crust - solar system - state - the environment - atmosphere - moon - solar energy - vegetation
Ans: atmosphere

(Q).
The surface of a beach is formed by mechanical weathering, and examples of mechanical waves include water waves, waves on a string, and sound waves. Given these facts, the surface of a beach is formed by what among the following options: - cracking - ocean surface - water type - sun's heat - water waves - forces - evaporation - water views
(A).
water waves

Ques:Plant reproduction often requires pollen, and honeybees and other bees transfer the pollen. Given these facts, plant reproduction often requires what among the following options: - seeds - honeybees - Energy. - rocks - acid rain - nutrients - buds - energy

Ans:honeybees

Question: Bird beaks are generally adapted for the food they eat, and after all, many birds eat bugs that devour plants in the garden. Given these facts, what are generally adapted for devouring bugs in the garden among the following options: - bird feet - bird beaks - bird eyes - burrs - insects - bird talons - alpacas - warm-blooded
Answer:
bird beaks