Biology, 15.09.2021 14:00 lovecats12
Raya is a gardening enthusiast who is looking to buy a new house. She wonders whether her house plants will grow well if she buys an
apartment on a higher floor. She remembers that her friend Jenn also has a small garden on her balcony, and her plants seem healthy.
Raya conducts an experiment to study the effect of altitude on the growth of plants. She gathers plant samples and places them on five different
floors of a 20-story building. Identify the basic components of Raya's experiment, including the confounding variable.
observation
hypothesis
relationship to be tested
dependent variable
independent variable
confounding variable
eliminating a confounding variable
Raya measures the
growth rate of plants.
Answers: 1
Biology, 21.06.2019 19:30
Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.
Answers: 1
Biology, 22.06.2019 03:00
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 2
Raya is a gardening enthusiast who is looking to buy a new house. She wonders whether her house plan...
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