B. She silently comforts her friend by squeezing his hand.
Explanation:
it could be either. it depends on how you want to interpret it. going strictly by the grammar (because of the Can), it would be interrogative. but going by the intended meaning, it could be seen as imperative (a nicely worded order). are you looking at syntax or semantics?
D because propel means to move forward
Answer:
For the small debris the solution is the shields, for the large debris they can see the solution is they slightly move the iss, and for the debris not detected they enter the Soyuz.
Explanation:
Hope this helps.