#1 is chitin. #2 is Embryo. #3 is Gestration Period. #4 is Gonad. #5 is Hydroskeleten. #6 is Larva.
Dear soul - science is critical to our coming culture - I would hope - you - as our future would invest your heart to it !!!
Answer:
petiole
Explanation:
The petiole is a stalk that connects the blade with the leaf base.
Answer:
Because in 1900s more revolutions took place and more pollution was done.
plz mark me as brainliest.
