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
Mekhanik [1.2K]
3 years ago
13

How many african americans are carriers of the sickle cell disease?

Biology
2 answers:
Sphinxa [80]3 years ago
6 0
I do believe it would be around 1 million dont quote me on it though 
mote1985 [20]3 years ago
3 0
Millions of Africans
You might be interested in
4. How do scientists know that other cell structures exist?
kipiarov [429]

Answer:

With an electron microscope

Explanation:

thats it

3 0
2 years ago
This change from fins on the love-finned fish to legs and feet on the early amphibian is most likely due to:___________.
shusha [124]

Answer:

<h2>4</h2>

Explanation:

Lobe-finned fishes are bony fish, having fleshy, lobed, paired fins, these fins are joined to the body by a single bone only . The fins of these lobe-finned fishes differ from all other fishes in many ways, Lobe-finned fish lived in water.

By the passage of time, from fin on lobe-finned fish changed to legs and feet on the early amphibians due to variations among offspring, followed by natural selection. These  legs and feet containing amphibians lives both in water and land.

4 0
3 years ago
What is the role of bacteria in nitrogen fixation?
Phantasy [73]
I don’t know how to explain it but this might help
7 0
3 years ago
Decomposers make ______<br> available.<br> A. erosion<br> B. air<br> C. weathering<br> D. nutrients
bekas [8.4K]

Answer:

D

Explanation:

3 0
2 years ago
Read 2 more answers
Transpiration is
Dimas [21]

Answer:

Should be B

Explanation:

prove me wrong

8 0
2 years ago
Read 2 more answers
Other questions:
  • An unconformity is(n)
    5·2 answers
  • Imprinting is a form of what behavior that
    8·2 answers
  • Evidence for the theory that an atom is mostly empty space was supported by research of which of these scientists
    12·1 answer
  • The endocrine system is directly involved with ____.
    8·2 answers
  • You notice the line of mercury in your barometer is all the way to the top—30 inches. Is this high or low pressure? What kind of
    6·2 answers
  • The portion of the pericardium that covers the heart wall is called the ________.
    11·1 answer
  • Describe a revisionary movement and provide an example.
    12·1 answer
  • Please describe the climate of spruce pond in southeast new york​
    13·1 answer
  • As altitude increases in the troposphere and
    5·1 answer
  • Four major blood phenotypes (A, B, AB, and O) are determined by three alleles: A, B, and O. A person with type A has a certain p
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!