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
qwelly [4]
2 years ago
5

You find a rock sample with radioactive atoms present. 25% of the original radioactive atoms were present, how many half lives

have passed
Biology
1 answer:
diamong [38]2 years ago
5 0

Answer:

Im literally taking a test that my teacher made and i have no idea what the answer is

Explanation:

You might be interested in
How many stages does a butterfly have
MakcuM [25]

A Butterfly has Four Stages

7 0
3 years ago
Read 2 more answers
Timothy is an overweight business systems analyst who jogs for 45 minutes nearly every morning, drinks only black coffee and wat
faust18 [17]

Answer:

(B) Reduce his calorie intake to achieve a healthy weight

Explanation:

Research has shown that excess body fat or obesity increases the risk of cancer, since timothy is overweight, he needs to reduce his calorie intake to achieve a healthy weight

3 0
3 years ago
Why is the phloem in a leaf important to the roots of a plant?
rjkz [21]

Answer:

The phloem connects the leaves to the stem and roots of the plants by transporting the sucrose to various parts.

7 0
3 years ago
Read 2 more answers
Please answer this question I need help!!!!
Katarina [22]

Answer:

u got this <3

Explanation:

is there a chart or textbook to try to find the answers?

8 0
3 years ago
Read 2 more answers
A substance that moves from by passive transport tends to move
makvit [3.9K]
You see, passive transport needs no energy. So that being said, it moves from areas with high concentration to areas with low concentration.

Hope that helps!
4 0
3 years ago
Other questions:
  • What caused England's Biston betularia moth populations to change over time from light colored to dark colored?
    10·2 answers
  • Which part of the model shows carbon moving from the biosphere to the atmosphere? The sheep takin in nutrients, the death of the
    12·2 answers
  • Flamingos are born white, but they turn pink because of the food they eat; this is an example of how ____________ , a physical f
    6·1 answer
  • How does food surplus change the<br> social environment?
    7·1 answer
  • What is photosynthesis
    8·2 answers
  • A land form characterized by high elevation and a more or less level surface is called a
    7·1 answer
  • What is the endosymbiotic theory? (Cells)
    10·1 answer
  • What scientist would be most interested in studying influenza? Starts with a V
    10·2 answers
  • Place the ruler over the sphere. What is the diameter of the sphere?
    15·1 answer
  • Which of the following is true regarding the process shown below?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!