Answer:
Coating a material with metal
(SInce the glasses will be coated with gold.)
C. pollute water and damage aquatic ecosystems
Answer:
The atomic number is the number of protons in the nucleus
There are three perfect squares in a standard die; 1, 2, 4. If there is two standard dies, then the probability of getting a perfect square is 1/3 x 1/3 = 1/9.
There are 4 numbers less than 5 in a standard die, making it 1/4 x 1/4=1/16.