Is this a true or false question? if so, the answer would be false because adrenaline increases your heart rate, evolution is how things grow and change over periods of time.
You do not need <span>b. two sets of clothespins, one that is easy to open and one that is more difficult to open
This has no relevance if you want to test whether or not you can squeeze more in a minute. You only need one set of clothespins for this. </span>
Its the epidermis because it is subdivided into two layers.
I think it's the first and second option but I could be wrong because I don't know much about deserts :)
