Plz find the !
claim 2: the universe started out as an exploding star.
evidence: when...
Physics, 25.09.2019 01:30 baptistatm51976
Plz find the !
claim 2: the universe started out as an exploding star.
evidence: when we measure the ratios of hydrogen and helium in the universe, scientists observe similar ratios in exploding stars.
reasoning:
Answers: 3
Physics, 23.06.2019 14:30, jonestrishy4803
Which pair below describes isotopes of the same element? a) an atom with 6 protons and 8 neutrons - an atom with 8 protons and 6 neutrons b) an atom with 6 protons and 6 neutrons - an atom with 6 protons and 7 neutrons c) an atom with 8 protons and 8 neutrons - an atom with 7 protons and 8 neutrons d) an atom with 7 protons and 6 neutrons - an atom with 6 protons and 6 neutrons
Answers: 1
English, 28.06.2020 03:01