What should you do before each laboratory exercise?
O A. review all safety procedures and the lab activity procedure
OB. review the WHMIS symbols
O c. put on gloves
OD. ask your lab partner
plz answer ASAP

Answers

Answer 1

Answer:

OA. . review all safety procedures and the lab activity procedure

Explanation:

Answer 2
A) review all safety procedures and the lab activity procedure

Related Questions

Unequal sharing of electrons occurs when one atom’s protons have a greater pull on the shared electrons.


Please select the best answer from the choices provided

T
F

Answers

Answer:

this is the answer

. false

Can music exist without the elements?​

Answers

Answer:no

Explanation:

Sometimes you wish you could go back in time and fix your mistakes but you can’t you can say sorry but it’s never enough what more do they want what is a true friend it’s someone who pulls you away when something isn’t right someone who cares about you and will go out of there way to help you but I guess that dosent mattter bc apparently I’m a fake friend goodbye forever

Answers

Answer:

very true

Explanation:

u ok?

(their* not there)

But- WHOAH- You don't need to say "Goodbye forever" you could find new friends who love and support you. People say things, they do things, but they're still human, just like you are. Mistakes will be made. You just gotta fight the bad and look for a brighter future. Not everyone or everything is gonna be sunshine and rainbows. It's gonna be bumpy and rough, you just gotta work out the kinks of it and move on.

Explain how a bathroom scale is like a biofeedback machine.

Answers

Answer:

                 

Explanation:

What is the easiest way to add energy to matter? Heating it Cooling it Decreasing pressure Decreasing temperature

Answers

Answer:heating it

Explanation:

Answer:

Heating it

Explanation:

i took the k12 test and got a A

PLS AWSNER FAST AND CORRECT I WILL GIVE BRAINLEST



On this document, explain to me using your OWN WORDS how a baby’s carseat turned backwards (also called rear-facing carseat) is safer for babies in the event of a sudden stop in a vehicle. You must include the words force and inertia in your explanation. If you don’t know right away, try doing some research (watch some videos, read about infant carseat safety, etc.). This should show me that you understand how Newton’s 1st Law: Inertia works in a very real-life situation

Answers

Answer:

When a car stops suddenly, the inertia the keeps you moving forward will finally stop and give you whiplash, which could seriously injure or even kill a baby. With the seat turned back, the force will be decreased dramatically, and prevent any fatal harm.

Need help ASAP please and thank you

Answers

It’s going up by 10 so multiple of 10

Answer:

253

Explanation:

He stands at 50 so you keep counting by 50 until you get it to add three.

plz help me

I have to get it done today

Answers

hi! the photo doesnt show, may u send the question?

What two factors affect the strength of a magnetic field

Answers

Answer:

Factors Affecting the Strength of the Magnetic Field of an Electromagnet: Factors that affect the strength of electromagnets are the nature of the core material, strength of the current passing through the core, the number of turns of wire on the core and the shape and size of the core.

Explanation:

I HOPE I HELPED :)

Which type of energy transfer is responsible for the movement of magma in Earth's interior? A)conduction B)convection C)radiation D)melting

Answers

Answer:

B. Convection.

Explanation:

Convection is an energy transfer process which typically involves the transfer of heat as a result of the movement of mass. Convection is generally considered to be a more effective and efficient means of heat transport in the Earth when compared to conduction. The movement of tectonic plates is caused by the convection current because the heat gains pressure underneath the crust.

Hence, the type of energy transfer which is responsible for the movement of magma in Earth's interior is convection.

Additionally, subduction zone is a zone which represents the collision between the two (2) tectonic plates of planet earth. Subduction zone occurs in countries such as Japan, Canada, Indonesia, Russia, Alaska, and around the Pacific Ocean.

Generally, subduction zones are responsible for high intensity earthquakes, volcanoes and tsunamis around the world.

PLEASE ILL GIVE YOU BRAINLIEST

Which word identifies this part of a eukaryotic cell?


A. vesicles


B. chromatin


C. cytoplasm


D. nucleolus

Answers

Answer:

c

Explanation:

Answer:

my answer has to be more than 20 characters long

Explanation:

C.cytoplasm

11) mWhich of the following sets of three units are all metric measurements
of length?*
A) inch, foot, yard
B) kilometer, centimeter, millimeter
C) kilogram, gram, centigram
D) kilometer, foot, decimeter

Answers

Answer:

Answer is B.

Explanation:

I hope it's helpful!

Hank, Ryan, Stu, and Ted are each the same mass and are parachuting through the air after having jumped from the same height. Who has transferred the most kinetic energy to his surroundings? A. Ted B. Ryan C. Stu D. Hank

Answers

Answer:

it is hank

Explanation:

Answer:

Hank

Explanation:

i did it in study island

A man is attempting to push a chair across the floor exerting a force of 50 N .When will the chair exert a force of 50 N on the man?

Answers

Answer:

ALWAYS ( in all cases and at all times)

Explanation:

From Newton's 3rd Law of motion which states that every action that occurs (force) there will be equal as well as opposite reaction. Therefore as the man is pushing the chair exerting 50N force, the chair also is is exerting equal force as well as opposite force on him as he is pushing it

Athlete mesert defar runs at 10m/s. how long will it take her to go 1 minute ​

Answers

Answer:

600 metres

Explanation:

1 minute = 60 seconds

1 second = 10 metres

60 seconds = 60 x 10 = 600

Athlete Mesert Defar runs 600 m in 1 minute. The speed of an object is equal to the distance traveled divided by time elapsed.

What is the relationship between Speed and Distance?

The speed of an object is equal to the distance traveled divided by time elapsed.

[tex]s = \dfrac dt \rm \ \ \ or[/tex]

[tex]d = s \times t[/tex]

Where,

[tex]d[/tex] - distance

[tex]t[/tex] - times = 1 minute = 60 sec

[tex]s[/tex]  - speed = 10 m /s

Put the values in the formula,

[tex]d = 10 \times 60 \\\\ d = 600 \rm \ m[/tex]

Therefore, Athlete Mesert Defar runs 600 m in 1 minute.

Learn more about Speed and Distance:

https://brainly.com/question/11528837

Which of the following is an example of an immiscible liquid?
1. oil and water
2. water and juice
3. sugar and water
4.water and food coloring
PLEASE ANSWER FAST AND I WILL CHOOSE AS BRAINLIEST.
35 POINTS!!!!

Answers

Answer:

the answer is 1, oil and water

Answer:

It is oil and water i took the quiz and got it correct !

Hope this helps you! :D

Because the electrons in a molecule of hydrogen fluoride (HF) are more strongly pulled toward the fluorine atom, the molecule is nonpolar.


Please select the best answer from the choices provided

T
F

Answers

Answer:

false

Explanation:

this makes the molecule very polar

The answer to this question is “false”

When a warm object is heated up, the thermal radiation it emits changes. Give two ways in which the thermal radiation changes

Answers

Answer:

*The increase in thermal energy  the maximum emission of radiation changes according to Wien's law

*The increase in thermal energy  he intensity of the energy increases significantly, proportional to the fourth power of the temperature

Explanation:

When bodies heat up, the vibrations of their molecules and atoms increase, due to the energy, therefore the internal energy (Temperature) of the body also increases.

The increase in thermal energy relaxes in an increase in body temperature, when this happens the maximum emission of radiation changes according to Wien's law that gives a shift towards the visible as the temperature increases.

Furthermore, the intensity of the energy increases significantly, in a curve described by the Planck expression.

These increases are proportional to the fourth power of the temperature

           P = σ A e T⁴

If a car has traveled 24 km in 2 hours, what is its average speed?

Answers

Answer:

12km per hour

Explanation:

The formula is distance/time.

24km/2 hours = 12km/1 hour

Explanation:

average speed = distance / time

= 24km/ 2 hr

= 12 km/ hr

Hope this will be helpful to you .

What to do?

Before an earthquake

_______________.

During an earthquake

_______________.

After an earthquake

_______________.

Answers

Before an earthquake you should create an emergency plan.

During an earthquake, you should follow that plan and remain safe.

After an earthquake, you should check your surroundings to see if everything is fine now. And go to a safe place.

How efficent is geothermal at producing eletricity? ​

Answers

Answer:

The conversion efficiency of geothermal power developments is generally lower than that of conventional thermal power plants. ... The highest reported conversion efficiency is approximately 21% at the Darajat vapour-dominated system, with a worldwide efficiency average of around 12%.

a school bus has stopped to allow children to get off the bus which graph shows the motion of the bus?​

Answers

Answer: what is it in

Explanation:

Abdul works at the planetarium where he is responsible for creating a show on stars. His show is entitled "A Star is Bom," and it will explain the
forces that create a star.
Abdul is creating a timeline of a star's life including its beginning, middle, and end. Abdul found a picture to include of the region around a star
before its formation begins. What does it look like?

Answers

Answer:

dust cloud

Explanation:

Stars are formed from the accumulation of the dust as well gases in the solar system. The dust and the gases collapses due to the the gravity forces and the stars are formed.

They are formed within the clouds of the dust and gases and are scattered in the galaxies. The stars are formed in a million of years from the dust clouds.

In the context, Abdul have a picture of a dust cloud which looks smoky and dusty which is the initial stage of the stars formation due to the gravity.  It is the region of the star that looks like a cloud of dust before the formation of the star.

Waves propagate along a stretched string at a speed of 8.0 m/s. The end of the string vibrates up and down once every 1.5 s. What is the wavelength of the waves traveling along the string?

Answers

Answer:

So we have waves F= 1/t So F= 1/1.5= 0.66V= wavelength × F 8.0m/s= x × 0.66x=12.2

The wavelength of the waves traveling along the string is 12 meters.

What is a Wavelength?

The distance between adjacent successive crests or troughs of a wave is termed as its wavelength. Wavelength is calculated in the wave's direction.

Given:

Waves propagate along the stretched string at speed = 8.0 m/s

The end of the string vibrates up and down once every 1.5 s.

Time = 1.5 s

We have to find the wavelength of the waves.

We know,

⇒ Time = 1/frequency

1/frequency = 1.5

Now

⇒ speed = frequency × wavelength

⇒ wavelength = speed / frequency

⇒ wavelength = 8 × 1.5

wavelength = 12 m

Therefore, the wavelength of the waves traveling along the string with given speed is 12 m.

Learn more about the Wavelength here: https://brainly.com/question/17774076

#SPJ2

What distance does a rocket travel flying for 5 seconds at 100m/s?

Answers

Answer:

500m

Explanation:

100x5=500

then add the m


Calculate the force applied (in newtons) if a pressure of 7Pa is acting on an area of 21m?.

Answers

Answer:

147N

Explanation:

pressure = 7pa

area= 21m

force=?

now,

p = f/a

7 = f/21

f = 21×7

therefore, f = 147N.

phosphorus-32 undergoes beta decay. which particle correctly completes the equation to show that the numbers of nucleons on the two sides of the equation are equal?

Answers

Answer:A

Explanation:

A P E X

a truck starts from rest and accelerates for 25 seconds to reach a velocity of 60m/s . calculate the rate of acceleration for the truck

Answers

Answer:

2.4m/s²

Explanation:

Given parameters:

Initial velocity  = 0m/s

Time 25s

Final velocity  = 60m/s

Unknown:

Acceleration  = ?

Solution:

Acceleration is the rate of change of displacement

      Acceleration  = [tex]\frac{Final velocity - Initial velocity}{time}[/tex]

    Acceleration  = [tex]\frac{60 - 0}{25}[/tex]    = 2.4m/s³

In order for us to see the red apple, where do the wavelengths of light have to go?

Answers

Answer:

Explanation:650

colour* wavelength (nm) energy (eV)

red 650 1.91

orange 600 2.06

yellow 580 2.14

green 550 2.25

Answer:

A red apple appears red because when white light illuminates the red apple all of the colors in

the white light are absorbed except the red light which is reflected. Since blue light one of the primary colors (and does not contain red light), when it illuminates a red apple the apple would appear black since there is no red light to be reflected back.

Explanation:

calculate the heat of television if:
light-119J
Sound-1J
electricity-200J
heat-?
quickly pls​

Answers

Answer:

002 bc eause iy is

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