Which of the following resources are used the most in the US. Coal
Natural Gas
Oil
Nuclear Energy
Solar
Wind
Hydropower
Geothermal
Biomass/biofuel

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

The idea of spontaneous generation was disproved by in a experiment involving jars of meat