What is biodiversity? a
The variety of organisms in an ecosystem
b
Studying about life in an ecosystem
c
The different types of ecosystems

Why does a red shoe appear red in daylight

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change