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slamgirl [31]
3 years ago
12

Which statement is true about Star A?

Biology
2 answers:
fomenos3 years ago
8 0
Sorry its confirmed now it is red in colour..
Naddika [18.5K]3 years ago
7 0
It is four times dimmer than the sun.(4)
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Mrs. Smith has blood type A. Mr. Smith has blood type B. Their first child has blood type AB. Their second child has blood type
dusya [7]

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

8 0
3 years ago
A biologist is studying the possible role of earthworms on the fertility of farm soils. As part of this research, the number of
dimaraw [331]

Answer:

Taking more samples from different parts of an acre.

Explanation:

Validity and accuracy of the data is crucial for any serious research. In this particular case, the most accurate data would be obtained if earthworms would be counted on the whole acre. Of course, this would consume lot of time, people, money etc. That's why methods for estimation are used. Estimation best works with large number of samples. Since one acre equals over 4000 square meters, taking only five samples from such a big area is simply not enough for obtaining valid data.

One of the possible ways to improve estimation is to take more samples per acre while avoiding taking adjacent samples because it could be possible that number of earthworms in one part of an acre is increased (or decreased) for any reason, which would lead us to wrong conclusion.

8 0
3 years ago
What is the possibility that two B blood type parents will have an O blood type child? Show two Punnett squares to support your
Elina [12.6K]

Answer:

A mother who is blood type O can only pass an O allele to her son or daughter. A father who is blood type AB could pass either an A or a B allele to his son or daughter.

...

How are ABO alleles inherited by our children?

Inherited Blood type of child

O from the mother B from the father B

Explanation:

7 0
2 years ago
Which of the following solid fuels has the highest heating value? A. Bituminous coal B. Lignite C. Wood D. Coke
andreev551 [17]
Among the following solid fuels given in the question, coke has the highest heating value. The correct option among all the options that are given in the question is the last option or option "D". The heating value of coke is calculated to be between 28000 kJ/Kg to 31000 kJ/kg. I hope the answer helps you.
6 0
3 years ago
Male bowebirds spend much of their time decorating their nests. What is the most likely reason the males would do this?
Pavlova-9 [17]
The answer would be it is easier for them to find their nest when they decorate
8 0
3 years ago
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