Which scientific evidence would show that, for example two species of birds are closely related?

1 answer:

3 0

Scientists will look for evidence like similar body or skeleton structures, internal similarities or maybe sometimes the whole heirarchy to confirm that two speices are closely related to each other.

For example ; in birds, scientists will look for type of feathers, body structure, beaks to confirm the similarity of two birds.

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What areas of the work force can science be applied to?

kondor19780726 [428]

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3 years ago

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Hope this helps

Have a good day

8 0

3 years ago

A steel bar has a mass of 4,000 kilograms and a volume of 0.5 cubic meters . Calculate its density. Write your answer as a whole

mixer [17]

The equation for density is:

$D=\frac{m}{V}$

where the mass is in grams and the volume is in $cm^{3}$ .

We are given 4,000 kilograms, and we know that there are 1,000 grams in 1 kilogram, so we need to multiply to convert to grams:

$4,000*1,000=4,000,000g$

We are also given 0.5 $m^{3}$ , and we need to convert to $cm^{3}$ . We know that there are 100 cm in 1 m, and since we are talking about cubic volume, we must also raise 100 to the 3rd power: $100^{3}=1,000,000cm$ . So now we know that there are 1,000,000 $cm^{3}$ in 1 $m^{3}$ . We need to then multiply 1,000,000 cm by 0.5 in order to find the volume that was given in the question: