In each case below, indicate the person or group that should have the authority to decide how to resolve the problem
A disabling disease that affects a very small number of children might be cured if a drug could be
developed, but no drug company takes up the call for action.
national health organization
drug companies
parents of affected children

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

Why is the melting of ice a physical change ?

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.