Which of the following Earth cycles allow new organisms to be produced from the materials of dead organisms? I. Rock Cycle
II. Nitrogen Cycle
III. Carbon Cycle
IV. Water Cycle
A.
II and IV only
B.
I, II, III, and IV
C.
II and III only
D.
I and IV only

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?