A is the answer
Hope it helps :)
D the substance is a homogeneous mixture
Some of these are products most people wouldn't think originated from trees, which only further exemplifies the value of preserving our trees and forests!
Wine Corks. ...
Natural Aspirin and Acne Medication. ...
Sponges. ...
Chewing Gum. ...
Carnauba Wax. ...
Henna Dye. ...
Rubber.
3.
protium (A = 1), deuterium (A = 2), and tritium (A = 3).
You forgot to post 'the following' .