An astronomer can estimate the temperature of a star by observing its size

shape

magnitude

color

seria una pregunta de física lo siento por no responderte

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.