According to the blank law of thermodynamics energy is never 100% efficient because

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

What type of pollution does household garbage cause