A block of copper of unknown mass has an initial temperature of 65. 4 ∘c. The copper is immersed in a beaker containing 95. 7 g of water at 22. 7 ∘c. When the two substances reach thermal equilibrium, the final temperature is 24. 2 ∘c. What is the mass of the copper block?

Afood web shows who eats who in any given habitat. every living thing, from one-celled algae to giant blue whales, needs food to survive. each food web is a possible pathway that energy and matter can follow through the habitat. a food web begins with producers: organisms that convert sunlight into usable chemical energy. the food web is completed by the decomposers who turn organic wastes, such as decaying plants, into inorganic materials, such as nutrient-rich soil. decomposers complete the cycle of life, returning nutrients to the soil or oceans for use by producers. in this food web, identify the decomposer.

Class iii atmospheric hazards are those involving

According to the passage weisers mother could be blamed for