The energy of the sun is converted into energy by the plants. n which situations is work being done?
a hannah leans against her locker, but it doesn’t move.
b andy’s car rolls down a hill with the engine off.
c a wind turbine stands still on a sunny, windless day.
d a balloon expands as it is heated by the sun.
e james pedals a stationary exercise cycle that doesn’t move.

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

Which statements best describe the atoms of the gas neon? check all that apply

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.