In what order were the following energy sources discovered by humans? Biomass energy was discovered first then fossil fuels, then fuel cells
Fossil fuels were discovered first, then fuel cells, then biomass energy
Fuel cells were discovered first, then fossil fuels, then biomass energy
Biomass energy was discovered first, then fuel cells, then fossil fuels

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline