Jerry prefers to burn bituminous coal in his fireplace because of the yellow flame. what causes that flame color?
a.
low carbon content
b.
high sulfur content
c.
high methane content
d.
softer structure
e.
lower heat value

The correct answer is B. High sulfur content.

Bituminous coal when burned produces yellow flames reason being combustion of hydrocarbons which are in the col are incomplete.

Another reason why bituminous burns in yellow colour is because of having different impurities for example, sulfur.

Incadence of soot particles which are very fine can also produce yellow flames.

the answers are a and c

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.