A train travels 67 km, north along a straight track in 39 minutes. What is the train's average
velocity in kilometers per minutes?
A. 28Km/mins
B. 1.72Km/mins
C. 0.582Km/mins
D. 106 Km/mins

Answers

Answer 1

Answer:

B. 1.72Km/mins

Explanation:

The topic is Mathematics, not Biology but okay!

All you have to do is 67/39 which equals 1.72km/mins.

This is because you have to work out the average speed in kilometres per minute. 39/39 = 1 minute

I hope this helps you!! ^-^


Related Questions

Urgent! question is attached, thankyou so much

Answers

Answer:

C; Oxygen concentration

Explanation:

Oxygen is product, not a reactant in photosynthesis. Light and carbon dioxide are reactants, and extreme temperatures can denature the plant.

Would DNA fingerprinting be useful in solving crimes if there was no such thing as nonsense codes/junk DNA?

Answers

Yes it would be useful because it can still be run through the database and something Can still be found linked to the person .

what is osmosis? Explain in detail with examples?

Answers

movement of water molecules from a dilute solution to a concentrated solution

Explanation:

I put a process by which molecules of solventtend to pass through through a semi permeable membrane from a less concentrated into more concentrated one

example :feeling thirsty after having salty food

What question led scientists to separate plants and fungi into two distinct kingdoms?
A. Does the organism have cells?

B. Does the organism reproduce?

C. Does the organism grow on the ground?

D. Does the organism use sunlight to make food?

Answers

Answer:

A

Explanation:

yes because each plant have a cell if they don't they might die.

The arthropods with three body sections, three pairs of legs, and one or two pairs of wings are the

Answers

Answer:

Insects

Explanation:

Insects are arthropods that have three body segments, three pairs of legs, one pair of antennae, and many have one or two pairs of wings. The three body sections are called the head, the thorax, and the abdomen. Wings and legs are attached to the thorax, the middle section.

Answer:

incet

Explanation:

please answer all the three questions​

Answers

Answer:

1. Birds have feathers of different colours.

2. Woodpeckers have long beaks.

3. Sunbird is a non-migratory bird.

or

3. Sunbird is sedentary bird.

Explanation:

hope this helps and is right :)

p.s. i really need brainliest.

Touch the stigma and notice how it feels. What is the advantage of this type of texture?
A. The sticky texture allows for capture of prey to help with fertilization
B. The sticky texture allows for the exchange of carbon dioxide to assist with photosynthesis.
C. The sticky texture allows for pollen to adhere to the stigma for fertilization.
D. The sticky texture allows for water molecules to not escape from the plant, thus preventing dehydration.​

Answers

A-Most stigmas are covered with a waxy, sticky substance. This wet substance allows stigmas to provide an important service by re-hydrating dry pollen to prepare the grains to enter the ovary and initiate the process of fertilization.

Does the Second Amendment need to be "revisited" in 2021? yes and why?

I need help pleasee

Answers

Answer:

It needs to be revisited because of the random acts of violence that it enables.

Explanation:

People that have access to weapons of mass destruction use them to kill people for no reason. For example, the sandy hook shooting, the recent Stoneman Douglas shooting, and the Christchurch shooting. All these shootings could have been prevented if there was stronger gun control. If people did not have access to automatic firing machine guns, less people would have died.

* DISCLAIMER *

All ideas expressed in this answer do not necessarily reflect my person views, they are meant for educational purposes, not to spark a debate about the 2nd amendment, do not get offended. (put this in cus some peeps crazy)

What reacts with sulfur dioxide in
the atmosphere to form acids that
return to the surface as either dry
or wet deposition?

Answers

Answer:

Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.

Can someone help me with question 1 pls:)

Answers

answer:

c d e

good luck :)

hopefully, this helps

have a great day !!

Olive oil, a liquid at room temperature, is an example of what type of fatty acid?

saturated
wax
unsaturated
Starch

Answers

Explanation:

it is a unsaturated fatty acid.

Foods rich in unsaturated fatty acids, such as olive oil (oleic acid, an eighteen-carbon unsaturated fatty acid, is a major component) tend to be liquid at room temperature.

Hope this helps!

Brainlest?

Help me please!!!!!!!

Answers

4,3  of two the between difference the to sent PaulRegards1,2,4Ode3,

help please!!! asap!!

Answers

Answer:

Water

Explanation:

Which of the following are reasons Earth's atmosphere makes conditions suitable for life? (multiple answers)



stops earthquakes


protects us from harmful radiation


traps heat


provides oxygen for breathing

Answers

Answer:

B and C I think

Explanation:

Those ones make the most sense in my opinion.

adsorption definition

Answers

Answer:

The definition of Adsorption is the process by which a solid holds molecules of a gas or liquid or solute as a thin film

Explanation:

PLZ HELP!!!!!
. Flattened, hollow folds and sacs of endoplasmic reticulum are called cisternae.
a. TRUE
b. FALSE

Answers

The answer is A . True because the ER is a network membranes that from hollow tubes flattened sheets , and round sacs . These flattens , hollow folds and sacs are called cisternae.

Answer:

true

hope this helps

have a good day :)

Explanation:


True or false: All herbivores are autotrophs.

Answers

Answer:

false

Explanation:

Autotrophs, organisms that produce their own food, are the first trophic level. These include plants and algae. Herbivores, which eat autotrophs, are the second trophic level. Carnivores, organisms that consume animals, and omnivores, organisms that consume both plants and animals, are the third trophic level.

What theories of intelligence relies on the sensitivity to other people’s feelings and the ability to respond to them?

A. Emotional Intelligence by Daniel Goleman and Gardner's Theory of Multiple Intelligences

B. Emotional Intelligence by Daniel Goleman

C. Gardner's Theory of Multiple Intelligences

D. Neither

Answers

Answer:

D

Explanation:

a student mixed a sample of urine from a person with benedict's solution and heated ,the colour changed to Orange. (b)what did the student conclude on the health status of the person​

Answers

Answer:

The person has high blood sugar.

Explanation:

Because benedict's solution tests for reducing agents, and since it changed its colour, reducing sugars(like glucose) is present.

(GIVING BRAINLIEST!!!!!!!!!!!)

One city is at a higher latitude than another city. How does this make the two climates different?

A) The higher the latitude, the lower the temperature.
B) The higher the latitude, the higher the temperature.
C) Latitude does not affect precipitation, but changes the temperature.
D) Latitude does not affect temperature, but changes the precipitation.

Answers

Answer: D) Latitude does not affect temperature, but changes the precipitation.

Explanation: Hope it helps :)

Answer:

answer is b

Explanation:

Mom is a dominant purebred for big feet. Dad is a hybrid for foot size. What are their chances of big feet? Or little feet? _ out of _ or _ %

Answers

Answer:

Parent´s chances:

Mom´s chances of giving their children the big feet allele are 2 out of 2, or 100%Mom´s chances of giving their children the small feet allele are 0 out of 2, or 0%Dad´s chances of giving their children the big feet allele are 1 out of 2, or 50%.Dad´s chances of giving their children the small feet allele are 1 out of 2, or 50%

Offspring chances:

The offspring have 4 out of 4 or 100% of probability of having big feet. And 0 over 4 or 0% of probabilities of having short feet.

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached file

How is carbon moving between the air and found decreasing

Answers

Answer:

It moves with the help of hydrogen

Mitochondria are cell structures that contain a small quantity of DNA.
Scientists are sequencing the DNA of one particular gene in mitochondria to
help identify different species of many animals including myriapods. The
sequences that they find are called ‘barcodes’.
(i) State the part of the cell that contains most of the DNA.
[1]
(ii) Suggest how DNA barcoding might be useful in the classification of animals,
such as myriapods.

Answers

The part of the cell that contains most of the DNA is the mitochondria.
The use of the DNA barcoding is that by comparison with a reference library such as DNA sections an individual sequence can be used to uniquely identify an organism to a species just like how a supermarket scanner uses the black stripes of the UPC barcode to identify an item

How are the diverse living organisms within a biome dependent upon each other and the nonliving parts of their environment? Give specific examples.

I NEED HELP ASAP!!!!!!! ILL MARK YOU AS BRAINLIEST!

Answers

An example that shows how organisms are dependent on each other would using a food chain as an example.
• mouse eat grass and drink water ( which is nonliving)
• mouse gets eaten by fox
• then fox then eaten by coyote and the cycle continues
However is one of these organisms have low population it will be difficult for the others. For example if there is a low population of coyotes then the fox population over populate same goes for if fox are low in population then the mouses become over populated hence diseases could spread from the mouses. The organisms must keep each other in check

Who established Buddhism?
A. Confucius
B. Siddhartha Gautama
C. Laozi
D. Ashoka

Answers

Answer:B

Explanation:

Answer:

B. Siddhartha Gautama

Explanation:

Siddhartha Gautama, the founder of Buddhism who later became known as “the Buddha,” lived during the 5th century B.C. Gautama was born into a wealthy family as a prince in present-day Nepal.

When water is cooled, it becomes more dense and sinks to the bottom of the water column. The displaced water is them replaced with ___________.

more cold water from the North and south pole

warm water moving in from the equator

water that is roughly the same temperature as the displaced water

water from volcanic vents

Answers

B) warm water moving in from the equator

Investigators are looking for the igniter used at their crime scene. Which igniter is most likely to leave evidence behind for investigators to discover?

A cigarette lighter
A cigarette butt
A match
A Molotov cocktail

Answers

A cigarette lighter considering the suspect touched it and left fingerprints
A cigarette lighter because it would most likely cause fire out of all the other options listed

please help please i really need it

Answers

Answer:

b

Explanation:

Answer:

with what??? :(

Explanation:

Please define the terms, don’t copy and paste. I’m giving 15 points for it

Answers

Algae: any of numerous groups of chlorophyll-containing, mainly aquatic eukaryotic organisms ranging from microscopic single-celled forms to multicellular forms 100 feet (30 meters) or more long, distinguished from plants by the absence of true roots, stems, and leaves and by a lack of nonreproductive cells in the reproductive structures: classified into the six phyla Euglenophyta, Crysophyta, Pyrrophyta, Chlorophyta, Phaeophyta, and Rhodophyta.

Amboeda: any of a large genus (Amoeba) of naked rhizopod protozoans with lobed and never anastomosing pseudopodia, without permanent organelles or supporting structures, and of wide distribution in fresh and salt water and moist terrestrial environments

Asexual reproduction: reproduction (as cell division, spore formation, fission, or budding) without union of individuals or gametes

Cilia: minute short hairlike process often forming part of a fringe

Diatom: any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae with silicified skeletons that form diatomaceous earth

Please mark brainliest

List the three layers of the rainforest

Answers

Answer:

Canopy, understory, and forest floor.

Explanation:

Hope that this helped you :D

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