Question

tick the correct options?1. the innermost layer of earth is called (a) crust (b) mantle(c) core.2. the mantle is_____km thick. (a)1,900(b)2,900(c)3,900.​

Answer 1

Answer:

1. core is the answer
2. 2,900 is the answer

Answer 2

Answer:

the core is first answer .

the 2,900 is second answer .