Which statement is the most reasonable testable prediction for the hypothesis: all birds can fly?

-observe all the birds outside your home for a week to see if they all can fly
-examine the list of all known species of birds and determine if any species cannot fly -take a random sampling of five birds from around the world to verify that they can all fly

What evidence is there that convection occurs in earth’s troposphere?

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power

What drives the atp synthase reactions that produce atp