Is a normal part of life; it protect us from harm and
warns us to take action.

Describe three ways in which technology has treat the flu

The frequency in wich you perform certain exercise depends on the blank of the exercise

Which of the following supports the argument that viruses are nonliving? a) they are not cellular.b) their dna does not encode proteins.c) they have rna rather than dna.d) they do not evolve.