What was Gan De's contribution to astronomy?
A.
He developed the world's first star catalogue...
Biology, 09.09.2020 18:01 kpopqueen0
What was Gan De's contribution to astronomy?
A.
He developed the world's first star catalogue.
OB.
He was the first to record a lunar eclipse.
OC.
He was the first to observe planets.
OD.
He invented the telescope.
Answers: 3
Biology, 23.06.2019 00:30
Aspecies of butterfly has alleles for wing color that are either blue or orange. when a blue butterfly and an orange butterfly mate, their offspring have wings that are both blue and orange. explain the process through which wing color is expressed.
Answers: 3
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