Which of the following is a true statement?
Natural disasters are the main reasons for habitat destructions.
Human activities are the main reasons for habitat destructions.
Natural disasters help animals to be able to find food and water.
Human activities cause animal population to grow.

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

The body is protected against harmful flu viruses by

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided