Which two parts of the Earth system does this photo show? (Picture of snowy mountain) Pick TWO:
A. atmosphere
B. Geosphere
C. Cryosphere
D. Biosphere

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

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.

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?