Answer:
Mixtures occur when two or more materials are combined and each material keeps its own properties. All of the following are mixtures EXCEPT
Chocolate milk
Explanation:
Chocolate is a mixture but it does not keep its original properties
Activated partial thromboplastin
time (aPTT) is the blood test to monitor anticoagulation therapy for patients
taking heparin. The purpose of carrying out the Activated partial
thromboplastin time (aPTT) test is to find out if the right dose of heparin is
being used.
Ring species.
When there are neighbouring populations that can interbreed with each other while only two of those populations cannot breed between them, we are standing before a ring species. In the case of Larus gulls what is observed is that several of these species can interbreed, but it comes to two of them that are incompatible - they are probably to<span> distantly related to interbreed. It is considered, that this species may be connected to each other in a line of derivation and is both ends on that line that are incompatible.</span>
Because is a good way to help us get our education for free or with a less cost
1/3 probability would be the answer