Which evidence did wegener use to support his theory of continental drift? question 12 options: a. seafloor spreading occurred only in the atlantic ocean; some mountain chains on different continents matched up. b. fossils of closely related organisms existed on different continents; some mountain chains on different continents rarely matched up geologically. c. fossils of closely related organisms existed on different continents; some mountain chains on different continents matched up. d. fossils of closely related organisms rarely existed on different continents; some mountain chains on different continents were completely different.

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Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant