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
Vadim26 [7]
3 years ago
6

Did dinosaurs exist in the pre-cambrian period?

Biology
2 answers:
OverLord2011 [107]3 years ago
8 0
No, dinosaurs did not exist in the pre-cambrian period
Cerrena [4.2K]3 years ago
5 0
No, i'm sure they didn't
You might be interested in
Why is there more precipitation in the tropic
Ray Of Light [21]
The tropics receive a great amount of direct solar energy, which produces more evaporation<span> than higher latitudes. The warm, moist air rises, condenses into clouds and thunderstorms, and falls back to earth as </span>precipitation<span>.</span>
7 0
3 years ago
Read 2 more answers
The sides of the DNA ladder consist of alternating______ and phosphates
enot [183]

Answer:

sugar

Explanation:

The sides of the stepping stool are made of rotating sugar and phosphate particles. The sugar is deoxyribose. The rungs of the stepping stool are sets of 4 sorts of nitrogen bases. Two of the bases are purines-adenine and guanine.

3 0
3 years ago
Which group of air pollutants tend to cool the atmosphere because they reflect more sunlight back to space thus reducing incomin
kondaur [170]

Answer:

D. atmospheric aerosols.

Explanation:

<em>Atmospheric aerosols are tiny particles that float in the air. These particles could be liquid or solid and are usually suspended primarily by direct emission into the atmosphere or secondarily by condensation process. </em>

Atmospheric aerosols have numerous effects on the biotic and abiotic factors of the environment. They alter air quality and impact human health in some cases, they can reduce atmospheric visibility, and they also reduce the amount of radiation that reaches the earth by scattering or reflecting some of the radiations from the sun back into space, leading to cooling of the atmosphere.

6 0
4 years ago
Upon centrifugation of an antibody screen procedure done by the gel system, the red blood cell agglutinates are dispersed throug
Katyanochek1 [597]

Answer:

The correct answer is option C. "2+".

Explanation:

A common procedure to test for the presence of antigens is to perform an agglutination reaction by performing an antibody screen. In an agglutination reaction that is graded  2+ the red blood cells start to be broken and medium-sized agglutinates are formed. In this reaction no red blood cells are free, only agglutinates are seen at the bottom of the microtubes. The characteristics of the reaction herein described concur with an agglutination reaction that is graded  2+.

6 0
3 years ago
State the application of binomial nomenclature in naming organism​
spayn [35]

Answer:

simplifies the study of names of organisms in common language worldwide to all scientists

7 0
2 years ago
Other questions:
  • How is yeast used? WILL GIVE BRANLIEST ANSWER
    15·2 answers
  • What system is the Fallopian tube in?
    9·2 answers
  • What are the three possible outcomes for species when rapid environmental changes occur
    12·2 answers
  • Blood separates in 2 layers. What does the lower layer consist of?
    6·2 answers
  • What is the chemical difference between a phospholipid and a triglyceride?
    7·1 answer
  • How are undesirable traits filtered out through natural selection
    8·1 answer
  • Why do we need forest​
    15·2 answers
  • 1._____ is the phenomenon by which living or dead plant cells absorb water by surface attraction.
    13·1 answer
  • If anyone knows this please let me know and explain??
    6·2 answers
  • 1.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!