Question

Given that in the H-atom the transition energy
for n-1 ton - 2, Rydberg states is 10.2eV. The
energy for the same transition in Be3. is :-
(1) 204 eV
(2) 163.2 eV
(3) 30.6 eV
(4) 40.8 eV​

Answer 1

Answer:

How does population growth cause deforestation in Africa?

A

More wood is needed to build skyscrapers.

B

More people gather food from the forests.

C

More farmland is needed to feed the population.

D

More businesses clear land to build factories.

Explanation: