#Question id: 27409
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 9198
#Unit 9. Diversity of Life Forms
Tropical forests are being converted to farm or pasture land at an alarming rate, and one major focus is on the biodiversity and the impact to these ecosystems. What is a direct benefit to humans that helps explain why these forests need to be preserved?
#Question id: 5273
#Unit 8. Inheritance Biology
Replica plating
#Question id: 17656
#Unit 7. System Physiology – Animal
#Question id: 5383
#General Aptitude
12 yr ago the average age of a husband and a wife was 20 yr .The average remains the same today when they have two children. What is the present age of the youngest child if they differ in age by 2 yr.