why should we conserve biodiversity​

Answers

Answer 1
Biodiversity conservation protects plant, animal, microbial and genetic resources for food production, agriculture, and ecosystem functions such as fertilizing the soil, recycling nutrients, regulating pests and disease, controlling erosion, and pollinating crops and trees.

Related Questions

The critical angle for refraction from glass to air is 30° and that from water to air is 37°.Find the critical angle for refraction from glass to water.​

Answers

Answer:

Å

1,55

5 400 Å

n

=

193548,4 km/s

1,55

3 10 m/s

n

c

Vidrio v: =

3 724,14 Å

1,45

5 400 Å

n

=

206 896,5 km/s

1,45

3 10 m/s

n

c

Aceite = v:

07,1

45,1

55,1

n

n

I

Round each of the following to 3 significant figures.
a) 77.0653 g
c) 0.00023350 m
b) 6,310,028.2 mm
d) 10.2030°C

Answers

Answer:

a. 77.1 g

b.0.000234 m

c. 6310000 mm

d. 10.2°C

Explanation:

There are two cars moving at a constant speed. Car A is moving constantly at 5 m/s on a straight path. Car B is moving constantly at 5 m/s on a path with a deep curve. In which driving situation is the car demonstrating acceleration.

Answers

Answer:

The car moving with constant speed on the path with a deep curve experiences an acceleration towards the center of the curve.

Explanation:

Acceleration is the rate of change of velocity with time. A velocity has both magnitude and direction, and a change in either or both of the magnitude and the direction can produce an acceleration on the car. The car on the curved path experiences a change in the direction of travel along the path. This changes in direction at every point on the curve puts an acceleration on the car towards the center of the curve.

Why would you get a more accurate measure of the volume of an irregular solid by using
displacement instead of measuring with a ruler?

Answers

Answer:Displacement method

Explanation:Placing irregular object in a Tube and then measuring the amount of water that either gets displaced from the container or goes up with the creatube and then measuring the amount of water that either gets displaced from the container or goes showing how much volume irregular object is.

In displacement method can be used to accurately measure the volume of oddly shaped objects.

What is the displacement method?

The water displacement method can be described as a system of measurements used to find the volume of an object that has an irregular shape. A graduated cylinder will be used to measure the amount of liquid volume an object filled, but it can be done with less scientific techniques.

In order to determine the volume of an irregularly shaped solid, a person can use the water displacement formula. A container of water would require to be measured accurately, and precisely, with a starting volume of water.

Next, the solid will need to be completely submerged underwater, without any part of the object above the water. The water level has risen, and the final volume of the water requires to be recorded. The starting volume of the container requires to be subtracted from the final volume to get the volume of only the object.

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An object moves, along a line,from point A to B to C and then back to B
again as shown in the figure below in half an hour.
a) find the average speed of the moving object in km/hr.
b) find the magnitude of the average velocity of the object in km/hr​

help me pleaseddddd!!!​

Answers

Answer:

a). Average speed = 26 km per hour

b). Average velocity = 10 km per hour

Explanation:

a). Distance between A to B = 5 km

    Distance between B to C = 4 km

    Total distance traveled between A to B to C and then back to B

    = 5 + 4 + 4

    = 13 km

Time taken to cover this distance of 13 km = [tex]\frac{1}{2}[/tex] an hour

Therefore, average speed during this trip = [tex]\frac{13}{\frac{1}{2}}[/tex]

                                                                      = 26 km per hour

b). Average velocity = [tex]\frac{\text{Displacement}}{\text{Duration}}[/tex]

   Displacement = (Distance between A to B) + (Distance traveled between B to C) - (Distance traveled from C to B)

                           = 5 + 4 - 4

                           = 5 km towards A

Average velocity = [tex]\frac{5}{\frac{1}{2}}[/tex]

                             = 10 km per hour

mark as brain list answer

Which of the following is an example of a chemical property? Density Solubility Flammability Magnetism

Answers

Answer:

Flammability.

Explanation:

I took the test.

Rhonda watched a video taken by a camera that was lifted into the upper atmosphere by a weather balloon. She saw the balloon pop when it reached a certain height. Afterward, Rhonda wondered what effect the air pressure at high altitudes has on the volume of gas in balloons. What scientific practice is Rhonda performing? asking a question providing explanations communicating results performing an investigation

Answers

Answer:

asking a question

Explanation:

A car travels 500 km at an average speed of 120 m/s. How long will the trip take in hours?

Answers

Explanation:

120 m/s × (1 km / 1000 m) × (3600 s / hr) = 432 km/hr

t = (500 km) / (432 km/hr) = 1.16 hr

a student places a 13 gram piece of quartz in a graduated cylinder. the water level rises from 30mL to 35mL. what is the density of the quartz

Answers

Answer:

2.6 g/cubic centimeter

Explanation:

Given :

Weight of the quartz = 13 gram

Original level of water = 30mL

Level of water after quartz was is placed inside the cylinder = 35 mL

Therefore rise in water  = 35 - 30 = 5 mL

We known that 1 mL = 1 cubic centimeter

And density = mass / volume

Therefore, density of the quartz is = 13/5

                                                        = 2.6 g/ cubic centimeter

HELP!!! IM BEING TIMED AND I RLLY NEED HELP

Answers

Answer:

4.3446× 10^6

3.2156305×10^3

7.68841×10^-6

1.2153698×10^1

9.5677734

Explanation:

PLEASE ANSWER THIS WORKSHEET ITS DUE TODAY WILL GIVE BRAINLIEST BALANCED AND UNBALANCED WORKSHEET

Answers

Answer:B. NET force: 2 resultant motion: left

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C. Net force: 3 Resultant motion: Left

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D. Net Force: 7 Resultant motion: right

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E. Net Force:0 resultant motion: NO MOTION

ItsOniiSama avatar

F. NET Force: 3 resultant motion: Down

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G. NET FORCE: 10 resultant motion: up

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H. Net force: 3 Resultant motion: left

ItsOniiSama avatar

I. Net force: 50 Resultant motion: right

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J. NET FORCE: 75 Resultant motion: down

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K. Net force :200 Resultant motion: Right

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L. Net force: 0 resultant motion:No motion

Explanation:

How many atoms of oxygen in the chemical fomula 2ca(cio2)2?

Answers

Explanation:

there are 8 atoms of oxygen

does increase in length affect period T?

Answers

Yes,increase in length affects period T.

7.
You run from your house to a friend's house that is 3 miles away. You then walk home.

Answers

Answer:

whats the question??????

Newton's Laws of Motion and Newton's Law of Gravity explain why?
a) the Earth moves around (orbits) the Sun.
b) the Moon moves around Earth
c) an apple from a tree falls down to ground (as opposed to "rising up into the sky")
d) all of the above

Answers

Answer:

D all of the above

Explanation:

This is because newtons laws of motion explains movement of a body due to a force applied while that of gravity explains motion of a body under gravity and this captures a, b, and c

All the given options are following the Newton's laws of motion and Newton's law of gravity separately. All of the above options are correct. Hence, option (d) is correct.  

The given problem is based upon the Newton's law of motion as well as Newton's law of gravity. So let us analyze each of the given cases as:

(a)

The Earth moves around the Sun : This statement follows the Newton's first law of motion, which says that an object will continue its state of motion, until any external force is being applied on the object. Since, Earth is offered with no net force. Therefore, Newton's law is applicable.

(b)

Moon movers around Earth: This statement also follows the above explanation for the Newton's first law. Which makes moon to revolve around the Earth on an account of no net force. Hence, it will continue its circular motion and hence Newton's law of motion is followed.

(c)

An apple falls from a tree: This statement is based on Newton's law of gravity, which says that every particle in the universe attracts other particles such that the force of attraction is directly proportional to the product of their masses and inversely proportional to square of distance between them. Since, Earth has more mass than apply, therefore Earth will attract the apple downwards.

Thus, we can conclude that all the given options are following the Newton's laws of motion and Newton's law of gravity separately. All of the above options are correct. Hence, option (d) is correct.  

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In physics lab, you measure three quantities: , , and . Suppose that =1.5 kg , =0.4 m , and =3.9 kg/m . Which of the mathematical combinations might be meaningful?

Answers

Answer:

1.5 kg is mass, .4 m is volume, and 3.9 kg/m is volume

Explanation:

When looking at these types of problems, consider each part. First, whenever problems have measurements that have similar units of measurement, check if they are density related. In this case, we use the formula of D=M/V, where D stands for density, M stands for mass, and V stands for volume. Any measurements that relate to grams or pounds are mass. In solids, volume is written in cm or m, while in liquid, volume is considered in liters and gallons. Density is always mass divided by volume, so we know that 3.9 kg/m is the density due to the units provided.

a kayaker moves 32 meters northward then 6 meters southward finally 24 meters northward

Answers

Answer:

50 metres.

Explanation:

Given that a kayaker moves 32 meters northward then 6 meters southward finally 24 meters northward

To calculate the displacement, let assume that

Northward = positive

Southward = negative

Displacement = 32 - 6 + 24

Displacement = 56 - 6

Displacement = 50 metres

The direction of the displacement will be northward.

While the distance will be:

Distance = 32 + 6 + 24 = 62 metres

if the
D=19.3g/cm^3
v= 1.61 cm^3 what is the mass​

Answers

Answer:

Mass=DV

=19.3g/cm^3 ×1.61cm^3

=31.266g

Explanation:

Mass is the product of an objects density and the space it occupies (volume)

What happens when a substance is heated, based on the particles model ( the particles)

Answers

Answer:When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.

Explanation:

it is strong elastic and light .it is lutrous and easy to wash. so it become very popular for making clothes

Answers

Answer:

Nylon fibres

Explanation:

Nylon fibres are synthetic polymers made of repeating units linked by amide links. It is a thermoplastic silky material which can be remoulded in any shape.

Nylon fibres have the property of strong elastic and light in weight that is why used for making ropes,  combat uniforms, and parachutes. Nylon Fibres are also lustrous and easy to wash so widely used in textile industry for making swimwear, track pants, shorts, and draperies.

Hence, the correct answer is "Nylon fibres".

Which title best fits Rahma's note
Rahma took these notes on a process involving the
movement of molecules, but she forgot to title them.
-Causes molecules to move until they are evenly
distributed
-Moves from high concentration to low
concentration
-Has no need for added energy
-Can occur with or without a membrane being
present
Active Transport in Cells
O Passive Transport in Cells
o Osmosis
O Diffusion
FIRST ANSWER GETS BRAINIEST

Answers

Answer:

diffusion is the answer.

Answer:diffusion

Explanation: it right


A plane flies for 2 hours at a speed of 430 km/hr. How far did the plane travel?

Answers

Answer:

860km

Explanation:

2× 430 = 860km

the rate is 430km per hr. 2 hours means you multiply by 2

how does this explain the action of a bullet fired from a gun. ​

Answers

Answer:

When a bullet is fired from a gun, the gun exerts a force on the bullet in the forward direction. This is force is called as the action force. The bullet also exerts an equal and opposite force on the gun in the backward direction. Therefore a gun recoils when a bullet is fired from it.

Which statement describes an energy measurement?
A. Gravity applies 800 N to a person on Earth's surface.
B. A plane accelerates at 4.1 m/s2
C. An object has a mass of 250 kg.
D. One gram of wood stores 16,000 J.​

Answers

The Answer is D.....

The statement that describes an energy measurement is one gram of wood stores 16,000 J, therefore the correct answer is option D

What is thermal energy?

It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.

Thermal energy can be produced with help of various means such as by burning fossil fuels, with the help of solar energy.

The Joule is the recognized unit of measurement for energy (J). Kilowatt/hour (kWh), which is used specifically for electric energy, should be listed among the most used units for measuring energy (in fact it is used to calculate electricity bills). The Terawatt/hour (TWh), or one billion kW/h, is used to calculate the output of big power facilities or the country's consumption.

Thus, The statement that describes an energy measurement is one gram of wood stores 16,000 J, therefore the correct answer is option D

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When the Moon is a distance of 0.25 D from the Earth, the gravitational force on the Moon from Earth is 16.00 Fm. At what distance with the force on the Moon be 4.00 Fm?

Answers

Answer:

When the gravitational force on the Moon from the Earth = 4.00 Fm, the distance of the Moon from the Earth is 0.5·D

Explanation:

The given information includes;

The distance of the moon from the Earth = 0.25·D

The gravitational force, F, on the Moon from the Earth = 16.00 Fm

When the gravitational force on the Moon from the Earth = 4.00 Fm, the distance of the Moon from the Earth is found as follows;

From Newton's law of gravitation;

[tex]F_{1} = F_{2} =G\dfrac{m_{1}m_{2}}{r^{2}}[/tex]

At r = 0.25·D, F = 16.00 Fm

Therefore;

G×m₁×m₂ = (0.25·D)²×16.00 Fm = D²×Fm = Constant

When, the gravitational force of the Moon from the Earth = 4.00 Fm, we have;

[tex]F = 4.00 \ Fm =\dfrac{D^2 \times Fm}{r_2^{2}}[/tex]

Therefore;

[tex]r_2^{2} =\dfrac{D^2 \times Fm}{4.00 \ Fm} = \dfrac{D^2}{4}[/tex]

[tex]r_2 =\sqrt{\dfrac{D^2}{4}} = \dfrac{D}{2} = 0.5 \cdot D[/tex]

r₂ = 0.5·D

Where;

r₂ = The new distance of the Moon from the Earth

Therefore the distance of the Moon from the Earth when the gravitational force on the Moon from the Earth = 4.00 Fm is r₂ = 0.5·D.


What forces come in pairs?

Answers

Answer:

Newton's Third Law of Motion

Explanation:

it explains that forces always come in action-reaction pairs. The Third Law states that for every action force, there is an equal and opposite reaction force

Answer:

newtons third law of motion

Explanation:

newtons third law of motion explains that forces always come in action-reaction pairs

Please Help Me with This

Answers

Answer:

Explanation:

a). Find the graph attached for the motion.

b). If a shopper walk 5.4 m westwards then 7.8 m eastwards,

   Distance traveled by the shopper = Distance traveled in eastwards + Distance traveled westwards

                                                            = 5.4 + 7.8

                                                            = 13.2 m

c). Displacement of the shopper = Distance walked westwards - Distance traveled eastwards

                                                      = 5.4 - 7.8

                                                      = -2.4 m

Therefore, magnitude of the displacement of the shopper is = 2.4 m

And the direction of the displacement is eastwards.

A farmers field , which are close to a stream has experienced a lot of runoff. One possible effect of the run off is that the stream will have a decreased level of fertilizers from the field

Answers

Answer:

This statement is false.

Explanation:

If  the farmers field is close to the stream, and has experienced a lot of runoff, the runoff will carry chemicals from the farm into the stream, which includes fertilizers among other chemicals. This runoff into the stream will not lead to a decrease in the level of fertilizers in the stream. Therefore, one of the effect of this cannot be a decrease in the level of fertilizers from the field.

Mia is driving at 15m/s. she accelerates for 6sec and reaches 25m/s what is her acceleration

Answers

Answer:

1.67m/s²

Explanation:

acceleration is the change i velocity with respect to time.

Acceleration = change in velocity/time take

Acceleration = final velocity - initial velocity/time taken

Given initial velocity = 15m/s

final velocity = 25m/s

time = 6sec

Substituting the given value into the formula above to get acceleration

acceleration = 25-15/6

acceleration = 10/6

acceleration = 1.67m/s²

Hence Mia acceleration is 1.67m/s²

this is how Florine appears in the periodic table. which is one best piece of information that "9" gives about an atom of florine? atomic mass is different than atomic number, and the number of neutrons is the difference between the atomic mass and the atomic number.​

Answers

Answer:

9 is the number of protons in the fluorine atom (atomic number)

Explanation:

Answer:

Atomic number

Explanation:

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