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
lubasha [3.4K]
3 years ago
13

For about how many years of geological time have humans existed on earth

Biology
1 answer:
Zielflug [23.3K]3 years ago
3 0
 The history of life on Earth began about 3.8 billion years agohumans have been around for a mere 0.004% of the Earth's history
You might be interested in
Plato help pleaseeeeeeeeee
Ksju [112]
I believe the correct response would be B. Since of evolution were to occur, the possibility of the geographically isolated snakes to reproduce would be 0. Since the gene pool or the collection of all the genes in the population were to change and as a result of future reproductions of the 2 populations over time, transmission of specific genes that code for traits were to be specific for that population, ultimately not allowing them to reproduce.
6 0
2 years ago
Describe what are the basic needs of all cells in the body
liubo4ka [24]
<span>In order to survive, cells must satisfy some basic needs such as oxygen, water, nutrients, waste removal, and maintaining of homeostasis. Oxygen and nutrients are necessary for different processes inside the cell. For instance, cellular respiration uses glucose and oxygen to form energy in the form of ATP. Water is important for different chemical reactions, as well. Also, s the result of different processes, waste is produced and it is important to remove it from the cell. Finally, it is important that cell and whole body conditions do not vary so much and that homeostasis is maintained.</span>
5 0
3 years ago
Use stable octet in a sentence
Alex17521 [72]
Once the substance achieved a stable octet, it no longer reacted with the chemicals.
5 0
2 years ago
Grassland animals reproduce mainly during..... *
notsponge [240]

Answer:

hey mate your answer is

HIBERNATION

Mark as brainlist

6 0
3 years ago
Read 2 more answers
Ano ang perpektong kompetisiyon?<br>​
kozerog [31]

Answer:

Can i see the pic? So i can put answer

4 0
2 years ago
Other questions:
  • What is photosynthesis?​
    9·2 answers
  • Which of the following processes causes the release of nitrogen back in to the atmosphere
    9·1 answer
  • Which equation shows a disaccharide with the monosaccharides that make it up
    13·2 answers
  • A man with blood type B marries a woman with blood type A . Their first child has blood type 0 . Use a Punnett square to predict
    9·2 answers
  • Explain phloem structure and function, using the following terms: sieve elements, sieve cells, companion cells, girdling, transl
    9·1 answer
  • Describe how the fossil record gives evidence of evidence.
    14·1 answer
  • What are the positive impacts of using biotechnology with regard to society, ethics, and economics?
    15·1 answer
  • Pls help with this !!!!!!
    14·2 answers
  • Help meeeeeeee pleaseeeeeee
    11·1 answer
  • In photosynthesis, plants assimilate carbon in the form of ______ to make sugar and other organic molecules.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!