Answers:
A) 2040 kg/m³; B) 58 600 km
Explanation:
A) Density
<em>B) Radius</em>
The table shows the specific heat of four substances. The substances are exposed to the Sun for the same length of time. Arrange
them in order beginning with the substance that will heat up the fastest.
water dry sand wet sand rock
water dry sand wet sand rock
1 answer:
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Answer:
1. All red calves i.e. RR
2. All roan calves i.e RW
3. 2 red calves (RR) and two roan calves (RW)
Explanation:
According to this question, a gene coding for fur colour in cattle is involved. Red alleles (R) and white alleles (W) are co-dominant to produce a roan cattle (RW). The possible traits of the following crosses are (see attached punnet square):
1) A red bull (RR) is mated to a red (RR) cow: All red calves i.e. RR
2) A red (RR) bullis mated with white (WW) cow: All roan calves i.e RW
3) A roan bull (RW) is mated with red (RR) cow: 2 red calves (RR) and two roan calves (RW).
