Radiation transfers thermal energy through_ Which accurately completes the statement?
O waves
O direct contact
O particles
O liquid movement

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply