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
Llana [10]
4 years ago
13

If scientists determine the age of a rock to be three billion years old, what else do they know?

Biology
1 answer:
Mkey [24]4 years ago
4 0
C) The Earth is at least three billion years old. :)
You might be interested in
What is the role of photosynthesis in the carbon cycle?
Nikitich [7]

While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.

3 0
3 years ago
An area has experienced weathering and erosion for many years.Over time,some rock formations have been left behind forming peaks
Sever21 [200]

Answer:4

Explanation:

4 0
3 years ago
1. Oxygen molecules taken in per breath:
ExtremeBDS [4]

Answer:

Higher than

Explanation:

I hope i help!!

5 0
3 years ago
Read 2 more answers
Peritoneal organs are completely covered in a serous membrane and have a dorsal and ventral mesentery.
skelet666 [1.2K]
<span>The peritoneal organs such as the intestines, liver, stomach, and gall bladder are covered by the peritoneum. This is a membrane that supports the organs by allowing nerves, blood vessels, and lymph vessels to pass through the organs. Without membranes, the proper functions of these organs will be impossible.</span>
3 0
4 years ago
The purpose of the ______ system is to prevent foreign substances from entering the body and to attack foreign substances that a
kaheart [24]
A. Immune because this is what the immune systems job is
3 0
3 years ago
Read 2 more answers
Other questions:
  • A. Most plants in the ditch will be plants with long roots.
    9·1 answer
  • Describe cinder cone volcano
    13·2 answers
  • Reptiles and birds are divided into two classes, reptilia and aves.Give an example of a fossil evidence that would be the BEST s
    14·1 answer
  • Which of the following is the function of adult stem cells?
    14·2 answers
  • Which of the following lists the steps of technological development in the
    13·2 answers
  • There are a few main steps in the bacterial transformation process. What is the correct order of these steps for the transformat
    13·1 answer
  • During the course of infection, Giardia will pass through many different anatomical locations. Each of these locations is associ
    6·2 answers
  • 1. Which group of words describe the amount of water in air.
    15·1 answer
  • HELP ME ASP PLEASE
    13·2 answers
  • 37. Describe the basic structure of the cell membrane. What is the cell membrane's main function?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!