Which of these is a case of selective breeding?

Question 4 options:

Over time, more milk cows at the diary farm began to produce larger amounts of milk.

A gene was identified that increased milk production. This gene was added to calves in the womb.

The genome of a group of cows was analyzed to identify the gene for milk production.

To increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mothers.

Problem page combustion of hydrocarbons such as pentane ( c5 h12 ) produces carbon dioxide, a "greenhouse gas." greenhouse gases in the earth's atmosphere can trap the sun's heat, raising the average temperature of the earth. for this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree c. calculate the volume of carbon dioxide gas that is produced.be sure your answer has the correct number of significant digits.

What is the percentage of hydrogen in nitrogen trihydride

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these