Unlike other renewable energy sources, biomass can be converted directly into liquid fuels, called "biofuels," to help meet transportation fuel needs. The two most common types of biofuels in use today are ethanol and biodiesel, both of which represent the first generation of biofuel technology.
Tree > bird > red fox > bear
tree is the producer. bird is the 1 consumer. red fox is secondary consumer. bear 3rd consumer.
about 8% of energy is being transferred
Answer:
C
Explanation:
I'm honestly not sure, just looks like the right answer
Answer:
true
Explanation:
they might start off good but over a period of time short or long they will become a problem
