Answers: 3
Geography, 22.06.2019 14:40
Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
Answers: 2
Geography, 23.06.2019 00:30
One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.
Answers: 2
Geography, 23.06.2019 15:00
The oil and gas found in the middle east are regulated by a. organization of petroleum exporting countries b. southwestern asian oil refineries c. north atlantic treaty organization
Answers: 1
What are the 'States' of Jersey (Channel Islands)?....
Mathematics, 04.03.2021 20:20
History, 04.03.2021 20:20
History, 04.03.2021 20:20
Mathematics, 04.03.2021 20:20
History, 04.03.2021 20:20
Mathematics, 04.03.2021 20:20
English, 04.03.2021 20:20
Mathematics, 04.03.2021 20:20
Mathematics, 04.03.2021 20:20
Mathematics, 04.03.2021 20:20
Health, 04.03.2021 20:20