1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lbvjy [14]
3 years ago
10

Which statement is supported by the information in the image?

Biology
2 answers:
mojhsa [17]3 years ago
8 0

Answer: A) i just did the test

sweet [91]3 years ago
6 0

Answer:

a

Explanation:

You might be interested in
List and describe one advantage and one disadvantage of wind power.
abruzzese [7]

Answer:one disadvantage is that if you do not live in a windy area you will have a  hard time. if you live in a windy area then that will be of great help

Explanation:

8 0
3 years ago
Read 2 more answers
You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then
aliya0001 [1]
<span>A mass balance will be necessary to weigh the sodium bicarbonate and a 100ml beaker should be used to contain the solution. For safety, one should wear gloves while handling the sodium bicarbonate and wear goggles in case of splashing. Lab coats and closed shoes must also be worn. 
</span>
Lab apparatus:

- Analytical balance with 0.1 g precision (at least)
- Spatule
- Burette (0.1 mL precision) plus erlenmeyer or a graduated volumetric flask.
- Magnetic agitator


Safety precautions:
- Use gloves of the proper material
- Use safety googles
- Wear lab coat that fits you
<span>- Know where the safety equipment is located</span>
7 0
3 years ago
Which gas enters the bloodstream through the lungs, binds to hemoglobin, and reduces the amount of oxygen that reaches the body'
AveGali [126]
The answer to this question is the gas carbon monoxide. Carbon monoxide is a gas that has the features of being odorless, colorless, and being tasteless. Carbon monoxide is known for the chemical formula as CO. This gas is also used as a fuel because this gas is flammable.
4 0
3 years ago
The table below shows the radioactive decay of' a 10 kg sample of carbon-14. Create a graph using the data
tatyana61 [14]

C-14 half-life is the time it takes for half of the isotope mass to decay into its daughter form. Line graphs are the best way to represent data about half-lives and the amount of isotope (gr).

<h3>What is Carbon 14?</h3>

Carbon 14, also known as radiocarbon, is a radioactive carbon isotope.

Isotopes are the atoms of the same element -carbon- that vary in neutrons and, hence, in their massic number. They are alternative forms of the same element.

The radioactive C14 nucleus contains 6 protons and 8 neutrons and has a half-life of 5730 years.

The term <u>half-life</u> is a reference. It means that an organism that has been dead for 5730 years has half the C14 amount or concentration than the same organism had when it was alive.

In other words, the half-life is the time it takes for half the mass of this isotope to become its daughter form.

Knowing the half-life of an element is useful to determine the age of the dead matter.

C14 is used in radiocarbon dating techniques or methods to estimate the age of fossils. This is a reliable technique used for dating organic samples that are less than 50,000 years old.

An easy way of representing the change in mass of the isotope through the years is to make a line graph, which is easy to interpret and compare the information.

In this example, our line graph must represent the number of half-lives related to the amount of parent isotope in grams.

The table details the years and the amount of isotope. So, by kowing the half-life of C-14, we can get how many half-lives there are.

5,700 years ---------- 1 half-life

11,400 years--------- X = 2 half-lives ⇒ (5700 x 2) or (11,400/5,700)

17,100 years -------- X = 3 half-lives ⇒ (5700 x 3) or (17,100/5,700)

22,800 years ------ X = 4 half-lives ⇒ (5700 x 4) or (22.800/5,700)

28,500 years ------ X = 5 half-lives ⇒ (5700 x 5) or (28,500/5,700)

34,200 years ------ X = 6 half-lives ⇒ (5700 x 6) or (32,200/5,700)

39,900 years ------ X = 7 half-lives ⇒ (5700 x 7) or (39,900/5,700)

45,600 years ------ X = 8 half-lives ⇒ (5700 x 8) or (45,600/5,700)

51,300 years ------- X = 9 half-lives ⇒ (5700 x 9) or (51,300/5,700)

Now, we can make a new table,

<u>Number of half-lives       Carbon-14 (g) </u>

                0 ..............................10,000

                 1 ...............................5,000

                 2................................2,500

                 3 ................................1,250

                 4 ................................  625

                 5 ................................  312

                 6 ................................  156

                 7 .................................   78

                 8 .................................   39

<u>                  9 .................................   20         </u>

<u />

Finally, we can make the line graph using the data of this new table. You will find it in the attached files.

In conclusion, the best graph you can make is a line graph, and if they ask you to graph the number of half-lives and give you the number of years, you can just make the conversion using the half-life of the isotope.

You can learn more about isotopic half-life at

brainly.com/question/12341489

brainly.com/question/4702752

brainly.com/question/14508944

brainly.com/question/13462855

brainly.com/question/16930674

#SPJ1  

5 0
2 years ago
What items are used to identify the genetic makeup of an unknown organism?
OleMash [197]

Answer:

Polymerase chain reaction machine

Primers

Petri dishes

Test tubes

Pipettes

DNA Polymerase

Free nucleotides

The organism to be identified

Explanation:

To identify the genetic makeup of an unknown organism, the nucleotide sequences fond in the Deoxyribonucleotide (DNA) of a known organism is matched to the DNA of some known organisms. If there is a certain degree of sameness in most of the matched parts, then the unknown organism can be said to be related to the known organism. This is a comparative study.

To carry out this identification, items used include; primers, the PCR machine, test tubes, DNA polymerase, free nucleotides, etc.

6 0
3 years ago
Other questions:
  • If a population of deer exceeds its carrying capacity, it is likely that the
    5·2 answers
  • Drugs that act by mimicking the normal substrate of an enzyme, thereby blocking its active site, are called
    9·1 answer
  • What key ingredient is necessary in order for plants to produce oxygen
    11·1 answer
  • Select all that apply. Which of the following are functions of stems?
    5·1 answer
  • Which kinds of organisms use photosynthesis?
    11·2 answers
  • Organisms within each biome can be characterized by ______ that enable them to live and reproduce successfully in the environmen
    7·1 answer
  • Eukaryotes solve the problem of replicating the ends of their linear chromosomes by:
    7·1 answer
  • The bacterial cytoskeletal proteins FtsZ and MreB are homologous to the eukaryotic __________ and __________, respectively.
    7·1 answer
  • Question 4
    14·1 answer
  • Cells (biology): What are the steps of cellular respiration?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!