Johnny is still working on his experiment to test how type of fertilizer affects plant height. What is the dependent variable? A) plant height

B) number of leaves on the plant

C) type of fertilizer

D) amount of water given to the plant

What are two ways in which waves erode the land?

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

How does human environment effect the biosphere