19) Which of the following pairs  given below is NOT an acid and its conjugate base pair?  

36) The density of a 2.45 M aqueous solution of methanol (CH3OH) is 0.976 g/mL. What is the molality of the solution? Molality.pngmoles.png

14) There are two types of forces that hold atoms and molecules together. These forces are called intra molecular and inter molecular forces. In the figure shown below, the dotted line A represents __________ forces and the solid line B represents ___________ forces. Picture3.png

Viruses reproduce by themselves?

There are 4 major types of plants: Bryophytes, Pteridophytes, Gymnosperms and Angiosperms. Which kind of plant grasses such as rice?

In animal classification, Homo sapiens is considered to be a?

The Florida Manatee is an endangered species?

Cultivated Plants are considered a renewable natural resource

Wetlands are forests ecosystems?

The areas of the planet  occupied by living organisms is known as?