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
Kay [80]
2 years ago
14

How many years did the precambrain era span

Biology
1 answer:
Vlad1618 [11]2 years ago
5 0

Answer:

Explanation:

It is estimated that the Precambrian Era lasted between 3.9 and 4 billion years. Many scientists believe that this era accounts for 90 percent of the world's history.

You might be interested in
Please help I’ll mark brainliest
nata0808 [166]
I think that it’s A, D, and F

-the particles do not have a charge
-movement across membrane doesn’t require additional energy
-the particles crossing could be oxygen or water
8 0
2 years ago
Read 2 more answers
Analogous structures _____.
OverLord2011 [107]
<span>indicate a common ancestor exists between two organisms
</span>
NOT:
result from evolution in a similar environment
are features which organisms still have but no longer use
<span>develop when a mutation occurs in the DNA of an organism</span>
8 0
3 years ago
Read 2 more answers
Cedric gathered information about space objects from a reliable website. The information is shown in the table. Help Cedrick ide
hichkok12 [17]

<em>I no see table but uh both a and b are "Space Object" so you only have C Composition rocks...???</em>

6 0
3 years ago
Read 2 more answers
True or false? nucleotides can be broken apart from a single strand of rna by hydrolysis reactions.
Tomtit [17]
The statement above is TRUE.
RNA hydrolysis is a reaction in which a phosphodiester bond in the sugar phosphate backbone of RNA is broken, thus cleaving the RNA molecule.
This reaction is made possible in RNA because the ribose sugar in RNA has hydroxyl group at the two prime position.
8 0
2 years ago
1 point
OleMash [197]

Answer:

water forming raindrops

4 0
2 years ago
Other questions:
  • What is the general name for a cell that is capable of receiving signals through its receptors?
    13·2 answers
  • This is a problem on blood type. each parent has 3 alleles, {a, b, o}. each parent gives one allele to the offspring, and the co
    8·1 answer
  • A hornless bull is crossed with three cows, A, B, and C. Cow A is horned and produces calf A’, which is also horned. Cow B is ho
    8·1 answer
  • What are thebacteria called that requires a constant supply of oxygen in order to survive
    15·1 answer
  • Maggots feed on dead and decaying organisms for energy. What are maggots?
    5·2 answers
  • Africa and South America are 4,000 km apart. If the plates move away from each other at a rate of 30 km per 1 million years, how
    14·2 answers
  • Which organism develops breathing organs from pharyngeal arches?
    8·2 answers
  • Why can't Lemon Pickle cannot be stored in an aluminium utensils?​
    5·2 answers
  • If Petal color was a complete dominant trait (A being red petals and a being white), what percent.
    14·2 answers
  • Sarcomeres are functional units of ________ muscle.
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!