What are two ways that diatoms differ from slime molds? the external coverings of diatoms are made up of , while slime molds have cell walls containing . diatoms are because they make food through photosynthesis, while slime molds are because they eat decaying plant matter.

 Silica, Photoautotrophs, Heterotrophs

Explanation:

The external coverings of diatoms are made up of silica.

I don't know the answer for the second blank, but I know its NOT chitin.

Diatoms are photoautotrophs because they make food through photosynthesis, while slime molds are heterotrophs because they eat decaying plant matter.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

b. read the phase at the intersection of any given temperature and pressure.