Answer:
= 25 ppm
Explanation:
- PPM also refers to parts per million, it represents a low concentration of a solution. It represents 0.001 gram or a milligram in a 1000 mL, which equivalent to 1 mg per liter.
Given; a sample size of 2000 g contained 0.050 g DDT
It means, 2000 mL sample contained 50 mg DDT
Therefore in ppm we get;
= 50 mg/ 2 L
= 25 mg/L
<u>= 25 ppm</u>
Answer:
100%
Explanation:
Cell is the structural and functional unit of life. Without Cell, an organism can never be created.
I hope this helps you alot and to my understanding:)
I'm not sure how to write this but the size shrinking could be due to erosion
Answer:
Selenium Dioxide: Se
Explanation:
This is a compound that contains both Selenium and Oxygen.
