When we drink through a straw, the liquid is actually 1) ...

[imanialler]

When we drink through a straw, the liquid is actually
 
  1) pulled up
  2) sucked up
  3) pushed up
 
  by
  4) atmospheric pressure.
  5) reduced pressure in the straw.
  6) surface tension.
  7) capillarity.

Question 2

When gas in a container is squeezed to half its volume, its density is
 
  1) halved,
  2) unchanged,
  3) doubled,
  4) quadrupled,
 
  and neglecting any temperature changes we would find the gas pressure to be
  5) halved.
  6) unchanged.
  7) doubled.
  8) quadrupled.

[kingdude89]

Answer to Question 1

Answer: 3, 4

Answer to Question 2

Answer: 3, 7

[imanialler]

TY

[kingdude89]

You're welcome