Questions

Online campaigns are highly measurable and may be able to generate an automatic positive ROI. As long as ROI remains positive, it can be strategic to capture all traffic without a predetermined budget.

Covalent bonds hold atoms together because the attraction between the positively charged nuclei and the negatively charged shared electrons is greater than the repulsions between the nuclei themselves.

Hypnology is the study of sleep.

A group of emus is called as a mob. Emus is a kind of bird which is next to ostrich in its size.

A Mixture is a material made up of two or more different substances which are mixed.

Mixtures can be either homogeneous or heterogeneous.

* A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties.

* A heterogeneous mixture is a type of mixture in which the components can be seen, as there are two or more phases present.

Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances.