Answer:
C. 22
Explanation:
I just studied this last week
C.submarines
We use satellite and sonar today to see the ocean ridges and deep sea diving is impossible unless you have a submarine
Explanation: A
The anwser is A it is the only one that makes sense
These are sensor, registry and short-term memory.
I think it's (c). Evidence suggests they were the first plants
Explanation
Evidence shows that plants evolved from freshwater green algae, a protist
There's similarities between green algae and plants .both plants and green algae contain the same form of chlorophyll.
but land plant are multicellular and autotrophic