28. bacteria and fungi.
29. answer 3
30. answer 2
The mouth is the beginning of the digestive tract; and, in fact, digestive starts here when taking the first bite of food
Melting because you can physically see it.
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. =)
<span>transcription/RNA processing-
pre-mRNA, mRNA, snRNA
translation- rRNA, tRNA</span>
