If contact between limestone causes it to smooth, then what causes limestone to smooth? Answer choices: - contact - coffin - hair - erosion - bacon - rainfall - friction - loose soil
contact

(Question)
If toads have a relatively complex circulatory system with a three chambered heart, then what has a three chambered heart? Answer choices: - alpacas - goats - elms - bats - orchids - mammals - a fish - toads
(Answer)
toads

Ques: If apan is used for cooking meals by heating them on the stove, then where does a pan usually heat meals? Answer choices: - started - Winter - homes - made - Sun - oil - cooled - stove
Ans: stove

(Q).
If the sun causes water to evaporate more which can cause drying and cracking, then the sun causes water to evaporate more, which can cause drying and what? Answer choices: - flooding - raining - Pollution - root growth - erosion - snowing - cracking - hailing
(A).
cracking

Ques:If obligate heterotrophs get organic compounds from dead organisms, then obligate heterotrophs get organic compounds from what organisms? Answer choices: - soil - seeds - plants - life - sugar - food - dead - trees

Ans:dead

Ques:If some light bulbs convert other energy into light and heat energy, then what do some light bulbs convert other energy into? Answer choices: - water vapor - basic building blocks of life - gasoline - light and heat energy - an electron microscope - plasma - heat or cold - hydrogen and oxygen

Ans:
light and heat energy