Answer:
its number 1
Explanation:
because the fly is stuck in amber
and the snail shell is in mold and is filled up
and number 2 is not cast
Answer:endocrine gland
Explanation: these are duct less glands
Answer:
Calculate the age of an object by finding how much carbon-14 remains in the sample
<span>The neutral nature of water changes due to mixing of various salts, bases, and acids, thus changing its pH. </span>