gwyngalindez4
gwyngalindez4 gwyngalindez4
  • 04-06-2020
  • English
contestada

2. There is one established method to solve all scientific problems. (1 po
O True
O False
3. The first echo sounder was used in a German submarine. (I point)
O True
O False​

Respuesta :

RBTK
RBTK RBTK
  • 04-06-2020

Answer:

2. True

3. True

Explanation:

This is my best answer :)

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