Answer:
True
Explanation:
There are 3 different classifications:
-unacceptable
-provisional
-acceptable
At first situation, ratio = x/y = 1/5
5x = y -------Equation (i)
Now, after adding 5 more red, it is = x + 5 / y+5 = 1/3
y+5 = 3(x + 5)
y + 5 = 3x + 15
y - 3x = 15 - 5
Substitute the value of y from equation (1),
5x - 3x = 15 - 5
2x = 10
x = 10/2
x = 5
Originally, There were 5 red marbles in the bag
Hope this helps!
Answer:
The answer is:
A) Chromium
Option D) Calcium
Option E) Osmium
The next ones are: helium and sodium.
Explanation:
control group, because they are the group that is not being tested on.
