the only possibilities for the childrens genotypes are; A and AB, so the fact that the child has a blood type of O isn't possible
Answer:
B
Explanation:
After a landslide, only bare rock is
left. What type of succession is this?
A. final
B. primary
C. aquatic
its b
Answer:
Number of bacteria required 
Explanation:
Given -
Size of each bacterium
micrometers long
These bacteria are arranged end to end.
The size of chain to be formed is equal to
centimetres
Let us say that in forming a chain of
centimetres nearly X number of individual bacterium are required.
hence, number of bacterium required to form
centimetres chain can be represented as

Number of bacteria required 
Answer:
CGTTAAGCGATAGCATCC
Explanation:
remember A always pairs with T and G always pairs with C. you can also remember them as Apple Tree and Car Garage.
hope this helps :)
The appropriate answer is c. global warming. Global warming is an increase in the global temperature caused by the increased use of fossil fuels. Using fossil fuels since the industrial revolution has pumped extra carbon dioxide in the atmosphere than what would actually enter from natural processes. This extra carbon dioxide is increasing the green house effect and causing the temperature to increase.