What do all viruses have in common? Choose more than one answer.
They infect living cells
Their main goal is to replicate
O They have a crown-shaped outline
O They require hosts to survive
They cause serious illness
O They come from the same part of the world

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.