The present participle is found in 'c'- walking
Explanation:
the things people will do
Answer: Short periods
Explanation:
The species must have only lived for a short period of geologic time.
Hope this helped.
Answer:
hertz
Explanation:
Usually frequency is measured in the hertz unit, named in honor of the 19th-century German physicist Heinrich Rudolf Hertz. The hertz measurement, abbreviated Hz, is the number of waves that pass by per second. For example, an "A" note on a violin string vibrates at about 440 Hz (440 vibrations per second).
There are no images shown, so I’m not sure how to answer this question. Sorry that I’m not much help
