Urning biomass . releases fewer toxins than coal
releases more toxins than natural gas
is a nonrenewable energy source
doesn't produce any waste

Classify the structures as homologous or analogous, depending on their structure and function.

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?