Fibreglass is a composite material consisting of glass fibres and what other material? (plz help quick I'm an idiot)

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic

The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Find the mass, in grams, of 5.00*10^23 molecules of f2