(25 ) one-half of the worlds energy comes from which source a hydroelectric power b fossil fuels c nuclear energy d solar energy

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

What is the difference between an igneous, sedimentary and metamorphic rock

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.