Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: When carbon dioxide is in water, it creates carbonic acid. Given the two facts above, answer the question "What forms caverns by seeping through rock and dissolving limestone?" with the following options: - pure oxygen - Something with a head, thorax, and abdomen - basic building blocks of life - carbon dioxide in groundwater - magma in groundwater - oxygen in groundwater - At the peak of a mountain - underground systems
carbon dioxide in groundwater

(Question)
Fact 1: Birds are endothermic tetrapod vertebrates. Fact 2: Bird A bird is an animal with feathers. Given the two facts above, answer the question "What is an endothermic tetrapod vertebrates?" with the following options: - warm-blooded - passenger pigeons - remains of prehistoric life - Humans - An animal with feathers. - All animals with vertebrae. - Dogs. - They have thick fur
(Answer)
An animal with feathers.

Ques: Fact 1: Algae have varied life cycles. Fact 2: Some red algae are eaten by humans. Given the two facts above, answer the question "Something eaten by humans have varied what?" with the following options: - story times - commutes - temperature - Plants growth - energy usage - life cycles - bedtimes - layers of fat
Ans: life cycles

(Q).
Fact 1: Most pituitary hormones control other endocrine glands. Fact 2: Endocrine organs are ductless glands that secrete hormones into the bloodstream. Given the two facts above, answer the question "Most pituitary hormones control other glands that secrete hormones into the what" with the following options: - brain - humans - epidermal - bloodstream - nerves - layers of fat - alveoli - liver
(A).
bloodstream

Ques:Fact 1: Harming an animal species has a negative impact on the population size of that species. Fact 2: Some species of amoeba are harmful parasites. Given the two facts above, answer the question "what can negatively impact a species?" with the following options: - chemicals - elephant - cells - dog - drought - mines - steroids - amoeba

Ans:amoeba

Fact 1: Many consumers feed at more than one trophic level. Fact 2: Animals are known as consumers. Given the two facts above, answer the question "what feeds at more than one trophic level?" with the following options: - hunger - animals - crocodiles - humans - alpacas - ducks - grains - plants
animals