Author Question: Scientists infer that chemical weathering of crustal rocks is not the only source of some minerals, ... (Read 72 times)

c0205847 · **on:** Feb 28, 2020

Question 1

The dissolved materials in seawater are thought to originate from chemical weathering of rocks on the continents and also from ________.
◦ outgassing of elements from Earth's interior
◦ meteorites
◦ evaporation of fresh water
◦ erosion
◦ organisms

Question 2

Scientists infer that chemical weathering of crustal rocks is not the only source of some minerals, such as chlorine, bromine, sulfur, and boron because ________.
◦ those minerals have the wrong isotopic composition for weathering products of crustal rocks
◦ some of the minerals are only found in meteorites and must have an extraterrestrial source
◦ the minerals are highly reactive and are not found as compounds that would come from crustal material
◦ there are more of those minerals in the oceans than can be derived from crustal rocks alone
◦ none of the above

brittrenee · **Reply #1 on:** Feb 28, 2020

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 50% of students answer this correctly