Biology, 10.07.2019 16:00, Deavionaaaaa
Astudent wants to answer the question “does adding calcium powder to soil make pea plants grow faster? ” she adds calcium powder to the soil of 12 plants and does not add it to the soil of a second group of 12 plants. she measures the growth of all of the plants in each group for a month. which statement best summarizes the factors that need to be controlled in this experiment? a. all plants should be the same age and health and be given equal amounts of water and sunlight. b. all plants should be placed in separate, equal-sized pots on the same table, where they receive the same amount of sunlight. c. all plants should be watered in the morning at the same time each day, and given the same amount of soil and sunlight. d. all plants should be the same health and be given equal amounts of water, calcium, and sunlight.
Answers: 1
Biology, 21.06.2019 14:50, ladnerhailey16
Previous pagenext pagepage 3 of 10question 3 (1 point)which of the following consist of cells that do not have a nucleus? of the above
Answers: 1
Biology, 21.06.2019 16:10, eliLoumbardia
Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.
Answers: 1
Biology, 21.06.2019 22:00, davidsouth444
Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?
Answers: 2
Biology, 21.06.2019 22:30, erinwebsterrr
Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants. d. selecting individuals at random.
Answers: 2
Astudent wants to answer the question “does adding calcium powder to soil make pea plants grow faste...
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