Answer:
A. test tubes
B. flying insect
C. place deliberately allover the area
D. only the total volume to be measured
E. a good indication of both types and numbers
F. they show the strength of the current flowing a stream
The correct answer is D Fish ( someone asked me to explain why d is the answer) A sponge obviously doesn’t have a brain, a hydra is an organism and organisms don’t have brains ( hydra also doesn’t have eyes)
The answer is A- thylakoids
Doppler shift - if it’s red shift it’s moving away from you. If it’s blue shift it’s moving towards you.
If adding more HCl will double the original amount you get concentrated HCl I think
