Why is having a variety of plants important in an ecosystem? If the secondary consumers do not have enough to eat, the top predators could die out.

If the primary consumers die out, the secondary consumers will not have enough to eat.

If one type of plant gets diseased, the primary consumers that eat that plant may not have anything to eat.

all of the above

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Is laundry detergent an acid or a base?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.