A biology class wanted to study the effect of different materials on the melting rate of ice. They placed
pieces of ice, each with a mass of 10g, onto trays. Group 1 was covered in plastic, group 2 was covered in
paper, group 3 was covered in aluminum, and group 4 remained uncovered.
Each piece of ice was allowed to melt for 15 minutes. Then final mass of the ice, minus the melted water,
was recorded at the end of
the experiment.

What is the dependent variable in this experiment?

A)The Type of covering
Material

B)The amount of melting Time

C)The starting mass of the ice

D)The Final mass of the ice

Answers

Answer 1

Answer:

The final mass of the ice

Explanation:

It’s in the name of our term: DEPENDENT variable. It relies on other parts of the experiment (the independent variable) to make it happen.

Answer 2

Answer:

D

Explanation:

Then final mass of the ice, minus the melted water, was recorded at the end of the experiment.


Related Questions

What happens when a low air pressure system meets a high air pressure system? (2 points)

Group of answer choices

The temperature of the air drops to below freezing.

The air moves to the low pressure system, creating wind.

The precipitation is removed from the air.

The air starts blowing in an easterly direction.

Answers

Answer:

the air moves to the low pressure system creating wind

Explanation:

Answer: B

Explanation:

In some types of cattle, brown hair and white hair share dominance. When two cows
reproduce, they can have offspring that have both brown and white hair.
B-brown hair
B' – white

Answers

In animals and plants, each gene has 2 alleles or variations, one from each parent.

70 points! b) How do scientists make a person's genes fluoresce? (2 points)

Answers

Scientists make a person’s genes fluoresces by having to name a variety of chromosomes on what color would variant. What would it do is that it can find it’s whole color scheme in order to locate the chromosomes which is basically a spectral karyotype.
By using multiple probes labeled with a mixture of different fluorescent dyes, scientists are able to label each chromosome in its own unique color.


What is the process of water moving from an area of low solute
concentration to an area of high solute concentration?

Answers

Answer:

Osmosis

Explanation:

Answer:

it is osmosis

Explanation:

Osmosis is the process whereby water move from a region of lower concentration to a region of higher concentration across a semi-permeable membrane.

Definition of infrared?

Answers

Answer:

noun

1.

the part of the invisible spectrum that is contiguous to the red end of the visible spectrum and that comprises electromagnetic radiation of wavelengths from 800 nanometers to 1 millimeter.

adjective

2.

noting or pertaining to the infrared or its component rays:

infrared radiation.

Explanation:

got it from dictionary.com

Where in the world is HIV most prevalent?

Answers

Answer:

Explanation:

South Africa

Answer:

South Africa has the most  people living with HIV

Explanation:

about 7.5 million

Plz help ASAP !!!!!!!!!

Answers

Answer:

Ohm = resistance

Ampere = current

Mark Brainliest!

Explanation:

3 is first and 4th is last. YOURE WELCOME.

Tundra is not a good growing environment for corn because: true or false

Answers

Explanation:

The Tundra is very cold climate so it would be hard to grow anything there such as corn

Snow falling from the clouds has
potential energy
kinetic energy

Answers

Answer:

Kinetic Energy

Explanation:

Explain the changes
3 marks

Answers

Answer:

The correct answer is - increase in the number during this period in the lake which suggests there are plenty of resources during this period required for the growth of the algae.

Explanation:

In the given graphical representation, there is a continuous increase in the number of algae present in the lake during the period of time between February to June. There is some fluctuation found in mid-April and early June but it is negligible.

This continuous increase in the number of algae suggests that during this period the resources are in abundance that affects the growth of the alage.

someone please help me

What materials do motor neurons need to survive and how do they get those materials?

Answers

Answer:

Neurons are made up of three major parts: a cell body, or soma, which contains the nucleus of the cell and keeps the cell alive; a branching tree like fiber known as the dendrite, which collects information from other cells and sends the information to the soma; and a long, segmented fiber known as the axon, which transmits information away from the cell body toward other neurons or to the muscles and glands.

23. Which of the following species is most likely to become extinct?
A. a species that is well adapted to its environment
B. a species that is losing its habitat due to deforestation
C. a species that has a great amount of genetic variation
D. a species that has a decreasing number of predators

Answers

Answer:

B. Is the answer. They are losing their habitat and therefore will be more likely to go extinct

Answer:

B). a species that is losing its habitat due to deforestation

hope it helps

What are the sex chromosomes? Explain how it is shown in male and female; and karyotyping

Answers

Answer:

Females have two X chromosomes, while males have one X and one Y chromosome. A picture of all 46 chromosomes in their pairs is called a karyotype. A normal female karyotype is written 46, XX, and a normal male karyotype is written 46, XY.

Explanation:

Sex chromosomes are chromosomes which are responsible for sex determination. These are the X and Y chromosomes. Females have two X chromosomes and males have one X and one Y chromosome in their sex cells/gametes. Karyotyping is the visualization of chromosomes after blocking the cells in mitosis and staining; this allows us to identify the size, shape, and number of chromosomes present in cells, which is significant because extra, missing, or abnormal chromosomes can cause developmental problems or issues with body functions.

What is one question that you have about genetics?​

Answers

How are genetic modifications being regulated

In a parallel circuit, there is only one path for current to take. Please select the best answer from the choices provided T F

Answers

Answer:

False.

Explanation:

A parallel circuit has more than one path for current flow. The number of current paths is determined by the number of load resistors connected in parallel. Total current in a parallel circuit is the sum of the individual branch currents.

Give an example of a phenotype for your favorite animal: ___________.

Answers

Answer:

Dogs

Explanation:

Hope this will help

A mature plant cell is different from a mature animal cell because the plant cell has?

Answers

Answer:

large central vacuole

Explanation:

mature plant cell contains large vacuoles while a animal cell has small vacuoles

A mature animal cell is different from a mature plant cell because of the plant cell has differentiation ability.

Mature plant cell can still divide and differentiate to produce a complete new plant.

The mature animal cells cannot differentiate into the other cells to produce all the different cells that can form a complete animal.

Therefore, A mature animal cell is different from a mature plant cell because of the plant cell has differentiation ability.

To know more about cells,

https://brainly.com/question/5763151

When will a recessive trait be seen
in an organism?
A. when at least one recessive allele is present
B. when there is no recessive allele present
C. when there is no dominant allele present

Answers

Answer:

c

Explanation:

In general, how do many human activities influence the carbon cycle?

Answers

Answer:

Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... The ocean absorbs much of the carbon dioxide that is released from burning fossil fuels.

Explanation:

Carbon moves from the atmosphere to plants. ...

Carbon moves from plants to animals. ...

Carbon moves from plants and animals to soils. ...

Carbon moves from living things to the atmosphere. ...

Carbon moves from fossil fuels to the atmosphere when fuels are burned. ...

Carbon moves from the atmosphere to the oceans.

if 10% of the nucleotides in a DNA molecule contain guanine, what percentage of the nucleotides contain each of the other three bases

Cytosine-
Adenine-
Thymine-

Answers

Answer:

Cytosine: 10%

Adenine:  40%

Thymine: 40%

Explanation:

So we know that Cytosine and Guanine are complementary and Adenine and Thymine are complementary.

Cytosine would be 10%

What's left is 80%, which would be divided by two because adenine and thymine have the same percents.

Adenine:  40%

Thymine: 40%

Uncontrolled cell division is characteristic

Answers

Answer:

Uncontrolled cell division is often, but not always, a characteristic of cancer.

Explanation:

Answer:

Uncontrolled cell division is a characteristic of tumors/cancer.

what is vegetative propagation​

Answers

Answer:

Explanation:

methods produce new plants from vegetative parts of the original plant, such as the leaves, stems and roots. These

Answer:

Vegetative reproduction is any form of asexual reproduction in plants specifically their leaves, roots and stems. In this process, a new plant grows from a fragment of the parent plant or a specialized reproductive structure. Many plants naturally reproduce this way, however it can also be completed artificially.

what's the name of the Era were dinosaurs reign is called?​

Answers

Answer:

the mesozoica era

Explanation:

all 3 arw the triassic.jurassic and creataceous periods

Answer: Mesozoic Era

Explanation:

Bounded by the end-Permian and KT extinction events.

The "how do atmospheric conditions influence weather patterns" lab report pleaseee

Answers

Changes in atmospheric pressure signal shifts in the weather. A high-pressure system usually brings cool temperatures and clear skies. A low-pressure system can bring warmer weather, storms, and rain. Meteorologists express atmospheric pressure in a unit of measurement called an atmosphere.

Answer:

im trying to find it too bro.

Explanation:

9th grade biology. 10 pts
photo provided -

Answers

Correct answer - Glucose molecules.

Why? - During digestion, starch is partially transformed into maltose by the pancreatic or salivary enzymes called amylases maltase secreted by the intestine then converts maltose into glucose. The glucose so produced is either utilized by the body or stored in the liver as glycogen (animal starch).

Green plants capture and store light energy from the Sun through the process of-

a) cell division
b) respiration
c) homeostasis
d) photosynthesis

Answers

Answer:

D photosynthesis

Explanation:

photosynthesis is what make the plant green

The answer is d: photosynthesis hope this helps

Because cilia cannot function properly, smokers have a frequent headache.
True

Answers

Answer:

Explanation:

The cilia sweep out mucus and dirt so your lungs stay clear. Smoking temporarily paralyzes and even kills cilia. This makes you more at risk for infection. Smokers get more colds and respiratory infections than non-smokers.

Because cilia cannot function properly, smokers having a frequent headache is a true statement.

What is Cilia?

These are tiny hair projections which are found in the airway of the body and helps to prevent dust or foreign matter from getting to the lungs.

Smoking destroys it and leads to insufficient oxygen inhaled by the body as a result of presence of contaminants which may therefore lead to headache.

Read more about Cilia here https://brainly.com/question/23275700

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(GIVING BRAINLIEST!!)

What type of moisture does Colder air hold than hotter air?

Answers

Answer:

An oft-repeated water vapor myth is that warm air can “hold” more water vapor than cool air because as the air warms its molecules move farther apart, making room for more molecules.

Explanation:

:)

17 Some Birds with shorter beaks enter into a population of birds with much
longer beaks, resulting in the hatching of birds with in-between sized beaks.
Which No evolutionary mechanism are most likely responsible for this
scenario

A mutation and genetic drift

B natural selection and artificial selection

C gene flow and recombination of genes

D artificial selection and crossing over during melosis

Answers

I think it’s c because the birds have different beak sizes it could be mutation or different genes

The evolutionary mechanism that are most likely responsible for this  scenario is:

C gene flow and recombination of genes

According to the given question, some birds are said to have shorter beaks and when they mate with birds that have longer beaks, they produce offspring that have in-between size beaks.

The evolutionary mechanism that is in charge of this phenomenon is simply gene flow and recombination of genes. This is because there is a combination of genes from the parents and given to the offspring.

The shorter beaks and the longer beaks of the parents combined and the offspring got in-between beaks.

Therefore, the correct answer is option C

Read more here:

https://brainly.com/question/17073686

The processes that transform inputs to outputs are what part of a system?
A. the surroundings
B. the components
C. the flow
D. the boundary

Answers

Answer:

(C) The flow

Explanation:

The processes that transform inputs into outputs are the flow part of the system that is presented in Option C, as the flow determines the efficiency and effectiveness of the system.

What is the significance of the flow in the system?

The flow in the system has many implications, such as how it transforms inputs into outputs and it is a crucial part of a system, and it explains how the inputs are transformed and the output for the respective inputs. The flow affects the system's overall performance and helps manage the outcomes of the system by achieving its desired roles or functions.

Hence, the processes that transform inputs into outputs are the flow part of the system that is presented in Option C, as the flow determines the efficiency and effectiveness of the system.

Learn more about the flow in the system here.

https://brainly.com/question/26301591

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