Thermal phenomena is a change in body temperature and the resulting physical state. so the body is able to heat up. Boiling, ice melting, water freezing, fog.
1. Cherry has a net venation. 2. The strawberry has retinal venation. 3. Black mountain ash also has reticular venation. All these plants have a main root.
Determine the molecular formula of a substance in which the mass fraction of carbon is 39.97%, hydrogen 6.73%, oxygen 53.3%. The vapor density of this substance in terms
What pair of substances cannot participate in the ion exchange reaction going to the end? a) sodium carbonate and hydrochloric acid b) potassium sulfate and barium nitrate c)