I believe the first answer is 140 w. The second is elastic potential energy.
The first life form found on earth were mostly bacteria. "For the next 1.3 billion years (3.8 to 2.5 billion years ago), the Archean Period, first life began to appear and the world's landmasses began to form. Earth's initial life forms were bacteria, which could survive in the highly toxic atmosphere that existed during this time."
Answer:
The answer is <u><em>D)</em></u>
Explanation:
Viruses depend on the host cells that they infect to reproduce. ... When it comes into contact with a host cell, a virus can insert its genetic material into its host, literally taking over the host's functions. An infected cell produces more viral protein and genetic material instead of its usual products.
Answer:
The leaves of trees helps to trap sun light during the day by the help of the green coloured pigment named chlorophyll present in its tissues.
Explanation:
