Biology, 28.10.2020 22:50 miner12924owhu4d
1.A student completed an experiment that compared the amount of nitrogen given to a tomato plant to how many tomatoes the plant produced. Which of the following is the best axis label and placement for the independent variable?
4. Four groups of students were given a piece of aluminum foil (20cm x 20cm), a container holding one liter of water, and some pennies. Each group was instructed to use the aluminum foil to make a boat that would hold the greatest number of pennies while floating on the water. What is the dependent variable in this experiment? (SC.912.N.1.1)
Miguel was conducting an experiment. He wrote the following sentences in his science interactive notebook:
The starting temperature of the water was 10 degrees Celsius
An object weighing 5 grams was placed in the water
The temperature of the water increased to 15 degrees
The object must have been hotter than 10 degrees
In which sentence did Miguel make an inference? (SC.912.N.1.6)
A drug company tests a new blood pressure medication before getting FDA approval to market the drug to the public. Pills containing no medication are given to 500 people in Group 1, and pills containing the new medication are given to 500 people in Group 2.
In this experiment, what is Group 1 considered? (SC.912.N.1.1)
Nick wondered if athletes had the same active pulse rate as people who were not athletes. For
his study, he selected 5 athletes and 5 non-athletes. His subjects had similar body weights and
heights. Nick had each subject walk on a treadmill for 10 minutes at a speed of 3 miles per
hour. For each subject, he recorded their pulse rate before exercising, after 5 minutes of
exercise, and after 10 minutes of exercise. When he analyzed his data, he discovered no
statistically significant difference between the two groups. What could Nick do next to make
sure his data are valid? (SC.912.N.1.4)
A scientific study showed that the depth at which algae were found in a lake varied from day
to day. On clear days, the algae were found as much as 6 meters below the surface of the
water but were only 1 meter below the surface on cloudy days. Which hypothesis best
explains these observations?
Answers: 2
Biology, 21.06.2019 20:00
Heyme with this one ❤ ☺❤ name the part of the cell concerned with the transmission of hereditary characters from parents to offspring. "i will mark brainlist "
Answers: 1
Biology, 22.06.2019 02:00
The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they
Answers: 2
Biology, 22.06.2019 04:30
Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases
Answers: 2
Biology, 22.06.2019 09:30
Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?
Answers: 1
1.A student completed an experiment that compared the amount of nitrogen given to a tomato plant to...
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