The answer is ultra violet radiation. From the air
They need more oxygen to function, so gas exchange needs to increase
Answer:
I don't know about this, this is which class question
To what question please put the question ill be glad to help
Recall that average velocity is equal to change in position over a given time interval,

so that the <em>x</em>-component of
is

and its <em>y</em>-component is

Solve for
and
, which are the <em>x</em>- and <em>y</em>-components of the copter's position vector after <em>t</em> = 1.60 s.


Note that I'm reading the given details as

so if any of these are incorrect, you should make the appropriate adjustments to the work above.