Carla, at age 57, is having a hard time seeing the sliver in her grandson's finger. She finds that she must hold it farther away to focus on its location, making it impossible to remove it and stop his distressed crying. She is experiencing which normal age-related change in vision

In russia, after the soviet union collapse, influential retained power by acquiring large numbers of , so the ruling class gained power in place of power.

Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources

Sailors went to special school to learn how to use the new technology that would them sail far distences. the school we know about was