Which features form at earth’s surface from the cooling of lava

1) extrusion
2) fault
3) intrusion
4) unconformity

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this