How is budding different from fertilization

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

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

In the first law of thermodynamics, triangle e=q-w, what does q stand for