A submarine is observed to rise from a real depth of 80 cm to 60 cm in water calculate the change in apparent depth please help

How do hydroponic plants differ from nonhydroponic plants? a.) hydroponic plants can grow in a dryer soil. nonhydroponic plants grow in moist soil. b.) hydroponic plants grow on other plants and are known as air plants. nonhydroponic plants do not grow on other plants. c.) hydroponic plants can only grow in rain forests. nonhydroponic plants cannot grow in rain forests. d.) hydroponic plants are grown without soil. nonhydroponic plants are grown in soil.

Which of the following statement is false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero