An igneous rock has a coarse texture and is dark in color. How else can this rock be accurately described? small crystals/cooled quickly/produced from magma/formed at Earth’s surface

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

Which of the following is not associated with invasive species?

On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?