The beginning of the Eocene Epoch Era.
Answer: Electromagnetism
Explanation: Electromagnetism is one of the four fundamental forces (the other three are gravity, strong nuclear force and weak nuclear force.) It acts between all the particles having an electrical charge.
Large blue whales that are up to 30 meters long live primarily on krill that is/are only about 6 cm long.
Blue whales belong to the class of mammals. They are the largest animals on the Earth. They live in marine habitat. They can be more than 100 feet long. The weight of a single whale can be equal to 30 elephants. And they can live for as long as 80-90 years.
Krill are small animals belonging to the class of crustaceans. They are present in oceans. Krill are actually zooplanktons. They are majorly the food of whales. Krill are filter-feeders.
To know more about blue whales, here
brainly.com/question/14803609
#SPJ4
Answer:
the real physical matter of which a person or thing consists and which has a tangible, solid presence.
Explanation:
