Question

Which describes German engineer Charles William Siemens's best-known innovation?

A.
a device to send wireless signals through the air

B.
a process for making steel in a gas furnace

C.
the first practical internal combustion engine

D.
an instrument to detect icebergs using echoes

Answer 1

@Awolflover1 @Englishguy

Answer 2

c MAYBE

Answer 3

C is incorrect, Other Ideas?

Answer 4

a

Answer 5

let methink for 1 sec k?

Answer 6

A is incorrect, Other?

Answer 7

d

Answer 8

Correct

Answer 9

thxs

Answer 10

o nvm then xD