Mathematics, 18.02.2021 20:00 formulabmath
Which phrase describes carbon-14 dating?
A:uses the rate at which nitrogen-14 decays into carbon-14
B:dates the remains of organisms to determine when they died
C:measures the number of unstable elements in ancient volcanic rocks
D:determines the age of ancient fossils older than 50,000 years old
Answers: 3
Mathematics, 21.06.2019 16:30
The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side
Answers: 1
Mathematics, 21.06.2019 16:50
The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled
Answers: 1
Mathematics, 21.06.2019 21:10
Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°
Answers: 2
Mathematics, 21.06.2019 23:40
Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?
Answers: 1
Which phrase describes carbon-14 dating?
A:uses the rate at which nitrogen-14 decays into carbon-14...
Geography, 23.03.2020 20:20
English, 23.03.2020 20:20
Mathematics, 23.03.2020 20:21
Social Studies, 23.03.2020 20:21