Independent variable: the student chooses to miss class.
dependent variable: in result of the student missing class his grade goes down.
hyposthesis: if the student misses class multiple times, then his grades will go down.
Answer:
Host
Explanation:
Viruses are not alive. They need a living host cell to reproduce.
Physical change- evaporation , condensation
Chemical change- combustion , neutralization
4p, 3d, 3p, 3s, 2p, 2s and 1s orbitals may be occupied during de-excitation.<span />
