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3 years ago

What can be used to measure the rate of photosynthesis

Biology

1 answer:

zloy xaker [14]3 years ago

7 0

Answer:thus, there are various methods to measure photosynthesis:

Uptake of CO2 by plants: Since CO2 is needed for photosynthesis, measuring how much of it is taken up by the plants gives us information on how much of photosynthesis is happening.

Release of O2: The amount of O2 produced during photosynthesis can be measured.

Explanation:

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Ingredients on food labels should be listed in order of ____________.

scoundrel [369]

C. descending order by weight. The standard rule in food labeling guide is to list ingredients in order of weight. The first ingredient being the one that weighs the most, and the last ingredient that weighs the least. Water should also be included in the list of ingredients unless it's less than 5 percent of the product.

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The part of the body includes structures from the cephalic, cervical, and trunk regions.

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Answer:

Explanation:

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3 years ago

Each individuals ___ has different sequences of nitrogenous bases

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The answer to this is most certainly not A or C, so you can rule those out. If you look at DNA, every persons has different nitrogenous bases (adenine (A),guanine (G), thymine (T), and cytosine (C))
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Which of the following could be considered a reliable source of scientific information?

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Two insecticides will be compared for their effectiveness in eliminating aphids on tomato plants. Forty tomato plants of the Big

densk [106]

Answer:

The t-test

Explanation:

The researcher should use a t-test to compare the two means and check if they are significantly different from each other.

In using the t-test, both null (H0) and alternate (H1) hypothesis are made such that:

H0: n1 = n2
H1: n1≠ n2

Thereafter, the value of t is calculated and compared to its critical value on the table. The formula for calculating the t goes thus:

$t = \frac{Y_1 - Y_2}{\sqrt{\frac{S_1}{n_1} + \frac{S_2}{n_2} } }$

where, Y1 = mean of population 1, Y2 = mean of population 2, S1 = variance of population 1, S2 = variance of population 2, n1 = number of individuals in population 1 and s2 = number of individuals in population 2.

At the end of the day, if the calculated t value is more than the critical value of t, the H0 is rejected and it shows that the two means are significantly different. Otherwise, the H0 is accepted and this shows that there is not significant difference between the mean of population 1 and that of 2.

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3 years ago