Chemistry, 09.10.2019 00:20 ccompassimvu
Gregory wanted to know what type of food spiders prefer to eat, so he performed two different investigations. in one investigation, he observed a spider in his backyard every day for thirty days. he wrote down what the spider ate each day. in another investigation, he placed the same type of spider in an aquarium that recreated a portion of his backyard environment. each day, for thirty days, gregory placed four different items in the aquarium—a leaf, a cricket, a fly, and a beetle. then, he wrote down which item the spider chose to eat first. which investigation produced the most reliable results? a. both investigations have benefits and limitations and should be examined together to get the most reliable result. b. the first investigation would produce more reliable results because it only required daily observation. c. neither investigation would produce useful data. d. the second investigation would produce more reliable results because gregory was able to control the conditions of the experiment.
Answers: 2
Chemistry, 21.06.2019 16:20
Consider the two electron arrangements for neutral atoms a and b. are atoms a and b the same element? a - 1s2, 2s2, 2p6, 3s1 b - 1s2, 2s2, 2p6, 5s1
Answers: 3
Chemistry, 21.06.2019 21:00
Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?
Answers: 1
Chemistry, 22.06.2019 04:50
Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
Answers: 1
Chemistry, 22.06.2019 20:00
Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin
Answers: 3
Gregory wanted to know what type of food spiders prefer to eat, so he performed two different invest...
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