Which Statement describes the formation of stars.
A. They begin in nebulas
B. Heat and gasses...
Chemistry, 26.03.2021 01:00, qxeenjasss
Which Statement describes the formation of stars.
A. They begin in nebulas
B. Heat and gasses contract
C. Gravity causes stars to cluster
D. Dust and gasses contract
Answers: 3
Chemistry, 22.06.2019 17:20, banna01man
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
Answers: 2
Chemistry, 22.06.2019 22:30, angelagonzalesownus1
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Chemistry, 22.06.2019 22:30, needhelpasap8957
Why is the bottom layer of a trophic pyrimid the
Answers: 2
Mathematics, 18.08.2019 23:00
Chemistry, 18.08.2019 23:00
Mathematics, 18.08.2019 23:00
Mathematics, 18.08.2019 23:00