Question

Q1. Which one of the following radius of the earth?
(a) 6378km
(1) 7438km
(c) 3671 km
(d)6677KM
Q2. Which one of the following is a direct source of in
(a) Earthquake waves
[b] Volcanoes​

Answer 1

Answer:

1)a) 6378km

2)volcanoes

Explanation:

hope it will right

Answer 2

Answer:

Q1.(a)6378

Q2.(b) volcanoes