Explanation:
they are not in the office today and I have a few things to get done before the end of this week or early next time you go cam mura I have been
The answer is 6. proton substance with only one type of atom.
So basically D,E They do absorb water but the roots mainly do that so I don’t know if you should put that.
Please give me brainliest if I’m correct
Answer:
Percentage of gold = 84.6%
Explanation:
Suppose the jewelry has x g of gold and y g of silver
The mass of both is the total mass of the jewelry then:
x + y = 11.54
And as the problem says the total volume is the sum of both volumes.
volume = mass / density

Solving the system you get:
x = 9.764 g
y = 1.776 g
The percentage of gold in the jewelry is:

The answer is D, alters the test variable, and observes the effects on other outcome variables.