Cycles of freezing and thawing water cause ice wedging, and ice wedging is the most important form of mechanical weathering. Given these facts, what is caused by cycles of water freezing and thawing among the following options: - 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)
Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit, and electrical engineers work on power plants, computers, and other electrical devices. Given these facts, a battery-powered computer requires a what for electricity to flow among the following options: - direct energy - closed circuit - kinetic energy - broken circuit - open air - hydrogen and oxygen - heat energy - open circuit
(Answer)
closed circuit

Ques: Sperm had to swim from male to female reproductive organs for fertilization, and if fertilized, the egg implants itself in the uterus. Given these facts, sperm had to swim from male to female reproductive organs to be what among the following options: - 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).
Plants are multicellular eukaryotes with cell walls made of cellulose, and flowers are plant organs of reproduction. Given these facts, what are flower cell walls made of among the following options: - cellular - lmestone - cellulitis - strong - cellulose - cellulite - heat energy - acetic acid
(A).
cellulose

Ques:Mollusks are a major food source for other organisms, including humans, and mollusks in the diorama include snails and clams. Given these facts, what are a major food source to organisms including humans among the following options: - leeches - earthworms - snails - plants - tapeworms - trees - potatoes - bushes

Ans:snails

Ques:Playing is one way mammals and other animals learn how to behave, and all humans are mammals. Given these facts, what learns how to behave by playing among the following options: - athletes - humans - gases - bacteria - sharks - baseball - people - offspring

Ans:
humans