Chemistry, 23.02.2021 09:30 hsjsjsjdjjd
Sedimentary rocks are formed particle by particle. Over
time, layers of particles are piled one on top of the other.
Therefore, in any sequence of layered rocks, a given layer
must be older than any layer on top of it. This is known as
the law of superposition. This law is fundamental to the
interpretation of Earth's history because it indicates the
relative ages of rock layers and the fossils in them. What
evidence would support the law of superposition?
a. An earthquake occurs so that the rock layers are
disturbed.
b. Sedimentary rock gradually turns into another type of
rock.
c. Fossils in higher layers are not as advanced and
complex as the fossils in lower layers of sedimentary
rock.
d. Radiometric dating shows that fossils in lower layers
are older than fossils in higher layers of sedimentary
rock.
Answers: 2
Chemistry, 22.06.2019 13:00
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
Chemistry, 22.06.2019 15:00
Answer explain why it is not possible to deduce a complete order of reactivity.
Answers: 3
Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
Answers: 2
Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Sedimentary rocks are formed particle by particle. Over
time, layers of particles are piled one on...
Physics, 25.07.2019 17:00
Biology, 25.07.2019 17:00
Mathematics, 25.07.2019 17:00
English, 25.07.2019 17:00
English, 25.07.2019 17:00
Mathematics, 25.07.2019 17:00
Social Studies, 25.07.2019 17:00
English, 25.07.2019 17:00