Who was the first woman to go to space?

judy garland
sally ride
valentina tereshkova
neil armstrong
yuri gagarin

In a system, when potential energy decreases, then entropy also decreases. true false

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material