PH meter, which is a device used to measure hydrogen-ion activity in the solution. A PH meter is a voltmeter stuck to a pH electrode and a reference electrode. -maclittleseed
The birth rate was greater than the death rate and the immigration rate was greater than the emigration rate. Options B and D are correct.
<h3>Population growth</h3>
From the illustrated image, the world experienced an upward growth in population between 1950 and 2010.
In order for population growth to occur:
- the birth rate must exceed the death rate
- immigration must exceed emigration
Either or both of the above conditions will lead to a growth in the population.
Thus, options B and D are correct.
More on population growth can be found here: brainly.com/question/18415071
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The answer should be 3
Explanation:
One plant will for sure have red leaves, while the other two have a probability of having red and yellow leaves, and one plant will only have yellow leaves.
Yellow: Y
Red: y
Two plants: Yy
Although the Red is recessive so it's a smaller chance of it overpowering the yellow, the answer might also be 1.