The Hertzsprung-Russell diagram below shows the spectral class of stars. Based on the above diagram, which type of stars belong to spectral class K and have the lowest luminosity?
White dwarfs
Main-sequence stars
Giants
Supergiants

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian

Which are evidence of seafloor spreading? check all that apply. molten material magnetic stripes continent material drilled core samples ocean water samples