Biology, 13.05.2021 02:40 homeschool0123
8. Which of the following can be used to determine the composition of a star?
O A. Light from sunspots
O B. Line spectra
O C. The star's magnetic field
D. Blackbody spectrum
Answers: 3
Biology, 21.06.2019 22:20
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
Answers: 1
Biology, 22.06.2019 00:30
When analyzing tree rings, what do scientists assume a thin ring indicates?
Answers: 2
Biology, 22.06.2019 01:00
If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly
Answers: 2
Biology, 22.06.2019 02:00
The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that
Answers: 1
8. Which of the following can be used to determine the composition of a star?
O A. Light from sunsp...
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