Answer:
Both gray wolves and killer whales have live births. And Both gray wolves and killer whales are carnivores
Explanation:
weight=mass*gravitational accelaration
we know the weight and the gravitational acceleration
400N=m*10m/s^2
m=400N/10m/2^2
m=40kg
Answer:
Option (e).
Explanation:
Ecosystem may be defined as the system that includes all the things of the particular area. Two main component of ecosystem are living organism and non living environment.
Living component includes all the living organism. Non living component includes the chemical environment and physical environment like temperature and pressure. The interaction of both the component is involved in the ecosystem.
Thus, the correct answer is option (e).
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