If cycles of freezing and thawing water cause mechanical weathering, then what is caused by cycles of water freezing and thawing? Answer choices: - heat is produced - a tree falling - peachleaf willow - Plant growth is reduced - root growth - mechanical weathering - Condensation - fissures of hot, acidic water
mechanical weathering

(Question)
If abattery-powered computer requires a closed circuit for electricity to flow, then abattery-powered computer requires a what for electricity to flow? Answer choices: - direct energy - closed circuit - kinetic energy - broken circuit - open air - hydrogen and oxygen - heat energy - open circuit
(Answer)
closed circuit

Ques: If sperm had to swim from male to female reproductive organs to be implanted in the uterus, then sperm had to swim from male to female reproductive organs to be what? Answer choices: - produce offspring - ejaculated during reproduction - implanted and swabbed - allow growth - mate with females - implanted in the uterus - implanted in the cheek - more abundant
Ans: implanted in the uterus

(Q).
If flowers are multicellular eukaryotes with cell walls made cellulose, then what are flower cell walls made of? Answer choices: - cellular - lmestone - cellulitis - strong - cellulose - cellulite - heat energy - acetic acid
(A).
cellulose

Ques:If snails are a major food source for other organisms, including humans, then what are a major food source to organisms including humans? Answer choices: - leeches - earthworms - snails - plants - tapeworms - trees - potatoes - bushes

Ans:snails

Ques:If playing is one way humans learn how to behave, then what learns how to behave by playing? Answer choices: - athletes - humans - gases - bacteria - sharks - baseball - people - offspring

Ans:
humans