Geography, 20.07.2021 17:00 traybrown0690
Zircon (ZrSiO4) forms in magma as it cools into igneous rock. It is also useful for numerical dating.
a. If you walk on a modern New Jersey beach, then you will walk on some zircon sand grains. Yet if you determine the numerical age of the zircons, it does not indicate a modern age (zero years) for the beach. Why?
b. Suggest a rule that geologists should follow when they date rocks based on the radiometric ages of crystals inside the rocks.
Answers: 3
Geography, 22.06.2019 04:10
Which summarizes the relationship between density of an element and its distribution in earth? a. the greater an element’s density, the greater the amount of it found in the crust. b. the denser an elements is, the smaller the amount of it earth core. c. the greater an elements density, the smaller the amount of it’s found in the crust
Answers: 3
Geography, 22.06.2019 06:50
How do the various countries in east asia meet their power needs? give specific examples
Answers: 3
Geography, 24.06.2019 01:00
Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays
Answers: 1
Zircon (ZrSiO4) forms in magma as it cools into igneous rock. It is also useful for numerical dating...
Mathematics, 18.09.2021 23:50
Mathematics, 18.09.2021 23:50
Mathematics, 18.09.2021 23:50
Chemistry, 18.09.2021 23:50
Geography, 18.09.2021 23:50
Social Studies, 18.09.2021 23:50
Mathematics, 18.09.2021 23:50
Mathematics, 18.09.2021 23:50