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
galben [10]
2 years ago
12

A 20.0 gram sample of a certain radioisotope decays over a

Biology
1 answer:
VLD [36.1K]2 years ago
5 0

quantity of the substance remaining = initial quantity of the substance * (.5)^(time elapsed/half life of the substance)

2.50 = 20 * (.5)^(19.2/x)

You might be interested in
What would happen if glycosis stopped happening in a cell
Aneli [31]

Answer:

cells lose their ability to maintain their sodium-potassium pumps, and eventually, they die.

Explanation:

If glycolysis is interrupted, these cells lose their ability to maintain their sodium-potassium pumps, and eventually, they die. The last step in glycolysis will not occur if pyruvate kinase, the enzyme that catalyzes the formation of pyruvate, is not available in sufficient quantities

5 0
3 years ago
Tan mice lived in regions with sandy hills. Over time, many of these tan mice migrated to a region with dark-colored hills. Even
Shkiper50 [21]
The first, second, and fourth statements are correct.
6 0
3 years ago
Which of the following is a nonrenewable resource? a. geothermal b. solar c. nuclear d. biomass Please select the best answer fr
MrMuchimi

Answer:

The answer to this is D.

6 0
3 years ago
Read 2 more answers
Why does the Marina District of San Francisco suffer more damage from earthquakes than surrounding areas? (Site 1)
solong [7]
I would assume because of where san francisco is i suppose that it just depends on where your located at

7 0
3 years ago
The scuba diver is a living system. The scuba gear or self- contained underwater breathing apparatus, is a system of air exchang
Verdich [7]

Answer: The carbon dioxide is the output and oxygen is the input of the Scuba apparatus.

Explanation:

The scuba apparatus is a life saving apparatus used by the sea divers. It recycles the exhaled gas and removes the carbon dioxide and compensates for the utilized oxygen gas before the diver is actually supplied with the gas for the purpose of breathing in a circuit. Hence, the carbon dioxide gas is the output and the oxygen is the input.

5 0
3 years ago
Other questions:
  • Which of the following practices delivers water to the roots of a plant at a slow, steady rate?
    10·2 answers
  • Actinisphenia elegans is a unicellular, photosynthetic, eukaryotic organism. To which of the following groups does it belong?
    7·1 answer
  • Describe the structure of atoms and the characteristics of subatomic particles
    11·2 answers
  • What is a cost of using technology to transport water?
    6·2 answers
  • Key Concept Check Why is Earth warmer at the equator and<br> colder at the poles?
    13·2 answers
  • How does a person become fatter?
    11·2 answers
  • Rosa listed some advantages and disadvantages of using renewable resources. Which best describes Rosa’s error?A. Wind does not e
    13·2 answers
  • As the diameter of a circle increases the radius will
    6·1 answer
  • A very large, fast-adapting tactile receptor sensitive to deep pressure that is composed of a single dendrite enclosed by concen
    6·1 answer
  • URGENT PLS HELP WILL MARK BRAINLIEST!!!!!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!