Why do scientists believe the universe is still expanding? b The further away an object is, the higher the temperature and press
ure eventually become, causing nuclear fusion Distant objects shift in frequency toward red on the electromagnetic spectrum, which tells us objects are moving away from us Spiral galaxies spin, so they appear to be a rotating disk of stars and dust Distant objects shift in frequency toward blue on the electromagnetic spectrum, which tells us objects are closer to us us
A team of students is performing an experiment to determine how the speed of a reaction between HCl and Na2CO3 changes with temperature. The aspect of the experiment that does not have to be kept constant would be the initial concentrations of the reactants. Hope this helps. Have a nice day.
Animals have basic sounds that mean basically just "danger" or "come here" where human have more specific phrases like "watch out for that falling branch"
