The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
Ground my dude! wanna know how I know! I checked the other answers on the other one :)
Answer is: the part of an experiment that stays the same though out the experiment is constant.
<span>Constant is a quantity that does not change.
</span>Experimental variable<span>, which is the also part of an experiment, is affected by the experiment (have change).</span>
Answer:
true
Explanation:
they may live in the same climate therefore needing the same adaption in order to survive and thrive
