Its D because
Li = 6
Be =9
C= 12
O=15
Answer:
A:metal
Explanation:
because if a light bulb was placed on metal with force it would light
The ideal gas law:

p - pressure, n - number of moles, R - the gas constant, T - temperature, V - volume
The volume and temperature of all three containers are the same, so the pressure depends on the number of moles. The greater the number of moles, the higher the pressure.
The mass of gases is 50 g.

The greatest number of moles is in the container with Ar, so there is the highest pressure.
Answer:
C. Golden rice enriched with vitamin A