Before the development of isotopic dating methods, scientists estimated the age of the Earth by: ___________
a. estimating eruption rates of volcanoes.
b. comparing rates of change on the Earth's surface today with the geologic record.
c. counting tree rings.
d. determining the time it takes to create fossils like shark teeth.
Counting generations in the bible, comparing rates of change on Earth's surface today with the geologic record, calculating the cooling history of the Earth, estimating evolution rates from the fossil record
Hope it helps!
How do i memorize every answer of question?
Explanation:
You can try to think of it as a picture in your head.
Answer:
Repeat it 10 times and which helps memorising and then after every 2-3 hours repeat it in your head to check if u remember it or not.
The rate of erosion of continents is measured by the:
reduction in elevation of mountains
quantity of sediments in the ocean
sediment load of the major rivers of the world
Answer:
c is you answer
Explanation:
List the 5 ethnic islands in Wisconsin
What is the correct answer? Please
Answer:
True
Explanation:
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 Explain what happened when protesters in Syria stood up against the president. (Site 1)
50 POINTS PLEASEEEE HELP
Answer:
The United States Constitution refers to the powers of the President and the powers of the US Congress. Regarding foreign policy, the President of the United States is the chief diplomat of the United States. He can sign international treaties that later can be ratified by Congress. On the other hand, Congress discusses and comments those treaties and trade agreements and sent it to the President to sign them. Another important function of Congress regarding foreign policy is that only the US Congress can declare war to other nations.
Explanation:
Please I need help ASAP
Answer:
idkkkkkkkkkkkkkkkkkkkkkkkkkklk
How would you describe the density of the population in India and
Japan
Answer:
The demographic features of the population of Japan include population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects regarding the population.
Which statement about Earth's layers is true?
O A
They all consist of liquid rock.
OB.
They each vary in size and temperature.
O C.
They are all under an equal amount of pressure.
O D.
They will soon combine, forming a single, thick layer.
Reset
Answer:
C
Explanation:
Please help
APQR is an equilateral triangle. One side measures 5x - 7 and another side 3x + 11. Find the length of each
side.
Answer:
x=9
so the length if each side is 38
pls help!!!! will give brainly!!!!
Identify and describe the two main methods for measuring the age of Earth and its parts
Answer: The three primary methods are: Radiation Measurement. Stratigraphic Superposition. The Fossil Record.
Explanation:
Answer:
The three primary methods are: Radiation Measurement. Stratigraphic Superposition. The Fossil Record.
Explanation:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.The best estimate for Earth's age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite. From the fragments, scientists calculated the relative abundances of elements that formed as radioactive uranium decayed over billions of years.
Discuss the phenomenon and causes of water logging and salinity.
Answer: Waterlogging thrown areas) is affected by several factors which vary throughout the landscape. Waterlogging is caused by a combination of excess rainfall (for the site), poor external drain- age (runoff), poor internal drainage (water movement in the soil profile) and the inability of the soil to store much water.
Which of the following is not an example of how people in Boston modified their environment
Answer:
UH WHERE ARE THE EXAMPLES!?!?!!?
Explanation:
Answer: answer is B on edge
Explanation:
Near Guam, volcanoes are about 150 km from the trench. If melting occurs at a depth of 100 km, what is approximately the angle of the subducting slab (to the nearest 5°)?
a. 15°
b. 25°
c. 35°
d. 45°
Answer:
b
Explanation:
What is the correct match of how a physical feature would impact a culture?
A) People who live near a river would probably hunt.
B) People who live near an ocean would probably not eat seafood.
C) People who live in the mountains would probably wear warm clothing.
D) People who live in a tropical region would learn to conserve water.
D) People who live in a tropical region would learn to conserve water.
Answer:
D
Explanation:
took the test
The most minerals are found in what mineral group
Answer:
The Silicates are by far the largest mineral group. Feldspar and quartz are the two most common silicate minerals. Both are extremely common rock-forming minerals.
Explanation:
Answer:
Silicates are by far the largest mineral group. Feldspar and quartz are the two most common silicate minerals. Both are extremely common rock-forming minerals.
Explanation:
how the people of dryland survived?
Answer:
Dryland farming and dry farming encompass specific agricultural techniques for the non-irrigated cultivation of crops. Dryland farming is associated with drylands, areas characterized by a cool ... In marginal regions, a farmer should be financially able to survive occasional crop failures.
Explanation:
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have a wonderful day!
Can someone please help
Triangle ABC is isosceles with ZC as the vertex angle. Find x and the measure of each side of the triangle if
AB = 3x - 4, AC = 2x + 6, and BC = 20. Input answers as: x=, AC=, AB= followed by your answer.
Analyze the map below and answer the question that follows.
Analyze the map above. What unique natural resource is found in Southeast Asia but not in South Asia?
A. Precious gems
B. Natural gas
C. Lumber
D. Coal
Answer:
A. Precious gems
Explanation:
The picture isn't totally clear, and there is no compass indicating exactly which directionis which, but from what I saw, the only area where there was something different was in Southeast Asia.
Because the rest of the map has oil, natural gas, and lumber icons.
Hope that helps! :)
Answer:
A- precious gems
Explanation:
You have always enjoyed leading groups of people and expressing yourself artistically. Which of the following musical careers would fit you best?
conductor
songwriter
classical musician
music therapist
Answer:
conductor
songwriter
Explanation:
you would pick these because they are both very social careers and they are musical. as a conductor you would lead people musically. as a song writer you could share your music with the world or if its smaller your community.
Hope this is what you were looking for!
Answer:
A: Conductor
Explanation:
Solve for the value of p.
|(3p+1)°
(p+7)
Answer:
P=43
Explanation:
As, the both angles are linear, so if we add them, we will get 180°.
So, p+7 + 3p+1 = 4p + 8
So, 4p + 8 = 180
So, 4p = 180 - 8
4p = 172
P= 172/4
P = 43
So p+7 + 3p+7 = 43 + 7 + ( 3x43 + 1) = 180
Therefore, p = 43
The shadow economy includes all of the following except..
Question 25 options:
Human trafficking
Government imposed tariffs
Illegal animal trade
Drug trafficking
Answer:
As much i have researched its A human trafficking
Choose the hypothesis of the conditional statement: *
If an animal is a dog, then it is a mammal
O a dog is not a mammal
O an animal is a dog
O a dog is a mammal
O an animal is not a dog
Questioning the information from a source is important to critical thinking because
A) it may be incorrect
B) it may be based on opinions
C) information can be biased
D) you might not understand the information
E) all of the above
Answer:
E
Explanation:
all of those make sense
Differentiate normal rain from acid rain. Describe the way each affects the weathering of rock. please I need this answer fast
There was the main difference of the acid and the normal rain. The acid rain was the slowly dissolves rocks and the normal rain are not the dissolves of the rock.
What is rock?
The rock, according to geology, is a part of the solid surface. The rock is the collection of these cemented mineral grains. The rocks are small and bigger. The small rocks are also known as pebbles. The type of natural resource is rock. The rocks are used for making the building.
The influence on the rock differs depending on whether it is acid rain or ordinary rain. Acid rain degrades rocks gradually as a result of chemical interactions between the acids and the ions in the stone. Pure water has a moderately acidic pH of 5.6, whereas acid rain has a pH around 4.2 and 4.4.
As a result, the normal rain from acid rain are the based on the rock breaks.
Learn more about on rock, here:
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Andy’s sandwich consists of a
20-gram piece of cheese, a 60-gram
piece of turkey, and two 30-gram slices of
bread. What is the total weight of
Andy’s sandwich, in kilograms?
Answer: 0.14 kg
Explanation:
20+60+30+30=140 g
140 g =0.14 kg
In general, French fur traders in New France interacted with Native American groups by __________.
A.
ignoring them and avoiding trade with them
B.
forcing them into slavery and subjugating their cultures
C.
embracing their cultures and learning their languages
D.
forcing them to conform strictly to French culture
Answer: The answer is C
Explanation:
Answer: Its c
Explanation:
After cutting the grasses in your garden,is there a change that happened ?what is the change?
This photo shows a plateau. Which events could have caused this plateau to form
select the three correct answers.
Pls help this is urgent!
Answer:
Uplift raised the level of a piece of crust.
Mountains eroded.
Basaltic lava flowed from cracks in the crust.
Explanation:
A plateau can form in several different ways. It can form because of volcanic activity, the collision of plates, uplift of crust, and erosion.
Uplift that has raised a piece of crust can easily form this plateau. If the crust that is moving up is relatively flat at the top, then it will stick out in the surrounding area like a mountain will, but it will have a relatively flat top, thus making a plateau.
Erosion is very often a factor that creates plateaus. If there is a very large piece of crust that is much more solid than its surroundings, it will erode at a much slower rate. This will result in the crust around it to erode while it remains close to its initial form, thus sticking out as a higher relief form.
In the areas where there is or has been volcanic activity, it is common that plateaus as the one on the image are found. When the lava flows it fills in the valleys, cracks, holes, and when it solidifies it creates solid masses of igneous rocks. These rocks erode very slowly, so while all of the surroundings erode faster and lower down, it remains largely the same in the form of a plateau.
14. Given that 16x⁴+ - 4x³– 4b²x² + 7bx + 18 is divisible by 2x + b,
(a) show that b³ - 7b² + 36 = 0,
(b) find the possible values of b.
Answer:
(a) check the explanation
(b) the possible values of b is 6i or -29
Explanation:
Given function;
16x⁴ - 4x³– 4b²x² + 7bx + 18
(a)
factor of the given function = 2x + b
then, 2x + b = 0
x = -b/2
substitute the value of b into the given function;
16x⁴ - 4x³– 4b²x² + 7bx + 18
[tex]16(\frac{-b}{2} )^4 -4(\frac{-b}{2})^3-4b^2(\frac{-b}{2})^2 +7b(\frac{-b}{2})+18=0\\\\b^4+\frac{b^3}{2} -b^4-\frac{7b^2}{2} +18=0\\\\\frac{b^3}{2} -\frac{7b^2}{2} +18=0\\\\multiply\ through \ by \ "2"\\\\b^3-7b^2+36 =0 \ (shown)[/tex]
(b)
b³ - 7b² + 36 = 0
b²(b - 7) + 36 = 0
b²(b - 7) = -36
b² = -36 or b - 7 = -36
b = √(-36) or b = -36 + 7
b = √(-1) x √(36) or b = -29
b = 6i or -29