Will give brainliest Select all the correct answers.
In which situations is work being done?
Hannah leans against her locker, but it doesn’t move.
Andy’s car rolls down a hill with the engine off.
A wind turbine stands still on a sunny, windless day.
A balloon expands as it is heated by the Sun.
James pedals a stationary exercise cycle that doesn’t move.

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

The clouds are grey and ground is wet. a quantitative b qualitative

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic