The answer is a. Plants, algae, and certain Protista
If i remember correctly they should be adenine (A), thymine (T), guanine (G) and cytosine (C). i hope this helps. sorry if they arent all correct.
When you shiver, that's actually how you help yourself stay warm! It's your immediate instinct reaction to do so when you're cold, so there will be more heat produced, and they occur by your muscles moving. =)
Oils and fats are types of lipids.
The answer would be <span>insulin-dependent diabetes mellitus.</span>
