4. a cinder block is sitting on a platform 20 m high. it weighs 79 n. the block has energy. calculate it.
5. there is a bell at the top of a tower that is 45 m high. the bell weighs 190 n. the bell has energy. calculate it.
6. a roller coaster is at the top of a 72 m hill and weighs 966 n. the coaster (at this moment) has energy. calculate it.
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Complete the following statements about the functions of the digestive system.carbohydrates and fats are digested in secretes enzymes that aid in the digestion of carbohydrates, fats, and proteins.the secretes bile; bile is stored in undigested food is processed into feces in feces is then stored in until it is eliminated from the body via

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.