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
Tamiku [17]
3 years ago
12

Why were levels of CO2 much higher in the atmosphere millions of years ago?

Biology
1 answer:
kykrilka [37]3 years ago
5 0

Answer: Carbon dioxide levels today are higher than at any point in at least the past 800,000 years. Global atmospheric carbon dioxide concentrations (CO2) in parts per million (ppm) for the past 800,000 years. ... Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy.

Explanation:

You might be interested in
The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. The ancient whale is extinct and is bel
bezimeni [28]

Answer: It shows the evolution of mutations. Throughout the lifetime of animals and humans depending on their way of life and how they life it they will slowly mutate into a different animal to be able to life that way..

Explanation: Example- Whales use to have legs and walked around the earth. But also loved to swim and play in water. Over time they began to adapt and mutate into what we know f whales now. With no legs, they have large fins to help them swim in the oceans.

Basically your answer is Evolution of the Animal

7 0
4 years ago
Read 2 more answers
How does dna code for specific proteins within a cell
svetlana [45]

Answer:

Genetic code refers to the instructions contained in a gene that tell a cell how to make a specific protein. Each gene’s code uses the four nucleotide bases of DNA: adenine (A), cytosine (C), guanine (G) and thymine (T) — in various ways to spell out three-letter “codons” that specify which amino acid is needed at each position within a protein.

Explanation:

3 0
1 year ago
I NEED YOUR HELP!!! Explain the changes that occur as a tadpole becomes an adult frog or toad.
miskamm [114]

Answer:

it loses its tail and develops its legs to be stronger

Explanation:

4 0
3 years ago
Read 2 more answers
Discribe the population growth for the first 3 years.
Triss [41]

Answer:

The answer would be A

PLEASE MARK ME BRAINLIESTY

THE ANSWER IS A BECAUSE IT GROWS VERY FAST UP IN A FAST DIRECTION

THANKS

Explanation:

6 0
3 years ago
Read 2 more answers
What bias conditions must be present for the normal operation of a transistor amplifier?
Maksim231197 [3]
The bias conditions that must be present for the normal operation of a transistor amplifier will be those in which the emitter-base junction is forward biased, and the collector-base junction will be reverse biased.
<span />
7 0
3 years ago
Other questions:
  • Even-aged management practices involves clearing trees that _______.
    7·2 answers
  • Describe the location and the length of the incision you will make in the earthworm
    13·1 answer
  • Difference between symbolic and parasitic bacteria<br><br>​
    12·1 answer
  • The auditory, or eustachian, tube extends from the nasopharynx to theA external ear.B middle ear.C inner ear.D oropharynx.
    8·1 answer
  • What are the two similarities of a theory and a hypothesis? thx
    8·2 answers
  • True of False - Acne is a skin disorder/disease that affects the integumentary system.
    5·2 answers
  • Lesson 11 part 1 introduction analyzing text structures
    8·2 answers
  • Most protists are______.<br> A)Unicellular<br> B)Heterotrophs<br> C)Autotrophs<br> D)Multicellular
    12·1 answer
  • Which would best explain why one red blood cell hemolyzes more quickly than another?
    11·1 answer
  • Which of the following is an example of a transgenic organism?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!