<span>48.4%
For this problem, you don't even need to look up the atomic weights. Just simply determine how many percent of 7.28 is 3.52? So do the division.
3.52 / 7.28 = 0.483516484 = 48.3516484%
And of course, round the result to 3 significant figures since that's how many significant figures we have in our data, so we get 48.4%</span>
Option A. Hydrogen Ions
The dissolution of carbon dioxide in the oceans produce hydrogen ions as when carbon dioxide is dissolved in the ocean it leads to Ocean Acidification. This Acidification produces the hydronium ions as more acidic nature implies higher concentrations of hydrogen ions.
Carbon dioxide is a gas that readily dissolves in water to give Carbonic Acid , bicarbonate ions and carbonate ions , all of which are acidic in nature. This lowers the pH of the ocean making the waters more acidic. Therefore the acidity of oceans is largely dependent on carbon compounds and the amount of Carbon dioxide.
The reaction of Carbon dioxide with water to give carbonic acid :
CO2 + H2O → H2CO3
(To know more about ocean acidification : brainly.com/question/7604502 )
Answer:
3rd option - humans chose the potential parents for crosses based on desired characteristics.
Explanation:
Artificial selection is the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.
Answer:
M = 1.26
Explanation:
Molarity = mole of solution/liters of solution
435mL/1000 = .435L
Plugging in the numbers into the formula, we get:
Molarity = .550 mol/.435L = 1.26 M
Reforestation is when you plant trees. Generally they do this in places that they have cut trees down. They do this to replace the trees they cut down. Therefore reforestation is a positive impact
Urbanization is basically making land into a city. This is negative because it is destroying habitats that were previously there and the traffic will cause air pollution in the area around it. There are other negative impacts of urbanization but I can't think of any more at the moment.
Terrace farming is...oof Idk how to explain it... it's basically where they cut steps into hills and farm on them. I'll link a picture below so you know what it looks like. This is a good way to use all the land possible. It's also one of the best ways to decrease erosion. This is positive use of the land.
btw you put reforestation twice. Idk if that was another option or if it was on accident, but I wanted to let you know :)
There fore the answer is...
dun dun:
Urbanization!!!
Hope this helped!