What is one example of the use of an infrared sensor? a. detecting the presence of humans trapped under collapsed buildings. b. monitoring feed for farm animals to keep them healthy. c. bar code sensor tracks store inventory. d. information is relayed to a visually impaired individual about the location of objects. i need this answer! 

it's A

I took the test good luck

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.