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3 years ago

What gives scientists clues about the kind of organisms that lived in an ancient environment

1 answer:

7 0

Scientists make their opinion about the organisms that lived in an ancient environment based on multiple things. Fossils are very important because they show the organisms anatomy. The layers of the ground show the age and the basic climate information, as well as dramatic events in the Earth's history, like super volcano eruptions, meteor collisions, flooding's. Also the pollen is very important for knowing the environment, because it is everywhere and is preserved well, it gives clues about the climate, types of plants, the landscape, thus making opinion about the way of life of the organisms.

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Select the postulate of equality or inequality that is illustrated. 3 + 2 5 and 3 + 2 = 5 are not both true.

garri49 [273]

It is comparison postulate

5 0

3 years ago

Read 2 more answers

A circle has a diameter

torisob [31]

The circumference of circle is 20.096 units

Solution:

Given that circle has a diameter with endpoints at (10, 8) and (5, 4)

To get the diameter, find the distance between the end points

The distance between two points is given by formula;

$d=\sqrt{\left(x_{2}-x_{1}\right)^{2}+\left(y_{2}-y_{1}\right)^{2}}$

Here the points are (10, 8) and (5, 4)

$(x_1, y_1) = (10, 8)\\\\(x_2, y_2) = (5, 4)$

Substituting the values we get,

$\begin{aligned}&d=\sqrt{(5-10)^{2}+(4-8)^{2}}\\\\&d=\sqrt{(-5)^{2}+(-4)^{2}}=\sqrt{25+16}=\sqrt{41}\end{aligned}$

$d = \sqrt{41} = 6.4$

Thus the diameter is 6.4 units

The circumference of the circle is given by formula:

$c = \pi d$

Where "d" is the diameter of circle

$c = 3.14 \times 6.4 = 20.096$

Thus circumference of circle is 20.096 units

4 0

3 years ago

In the geologic past, volcanic eruptions have had an impact on the availability of resources. How can volcanic eruptions impact

natka813 [3]

Volcanic eruptions can destroy building that store resources, burn trees, kill animals and make land not suitable for farming etc

3 0

1 year ago

1. Which should you do in the event of a catastrophic hurricane? A. Board up all windows and doors. B. Hide in a basement. C. Ta

jonny [76]

1. Which should you do in the event of a catastrophic hurricane?
I think the correct answer from the choices listed above is option A. You should board up all windows and doors.

2. Which is the safest place to be during a tornado?
I think the correct answer from the choices listed above is option A. The cellar is the safest place since it is usually underground where the hurricane cannot reach.

6 0

3 years ago

What is essential for a confederation?

user100 [1]

Answer:

smaller political units maintaining their sovereignty

Explanation:

Confederation is the name given to a country that is a federation, but the states that make up that country maintain their sovereignty, separate from the power of the federal government. In this case, to maintain a confederation it is essential that the smaller political units, the states, maintain their sovereignty. This is different from a federation, because in a federation, states lose sovereignty, transferring it to the federal government.

4 0

3 years ago