Science of the study of preserved remains or traces of animals, plants, and other organisms from the remote past is called ________.

Which of the following is usually not an air - pollutant? 

When chlorophyll is burnt which element is obtained?

Which of the following metals is in a liquid state at orbital temperature?

Which of the following instrument is used to measure Soil Water Tension? 

Which term is not associated with sound wave? 

From whom do teeth and bones gain strength and firmness?

Transportation of food in plants takes place through: