There are several preventative measures that will be helpful to get rid of fungus gnats. Since fungus gnats thrive under moist conditions, especially in decaying vegetation and fungi, let potting soil dry out between waterings. Fungus gnats often become a problem in autumn and winter when plants are brought indoors.
A chemical messenger is any compound that serves to transmit a message. A chemical messenger may refer to: 1  Hormone, Long range chemical messenger. 2  Neurotransmitter, communicates to adjacent cells.3  Neuropeptide, a protein sequence which acts as a hormone or neurotransmitter. chemical messenger may refer to: 1  Hormone, Long range chemical messenger. 2  Neurotransmitter, communicates to adjacent cells. 3  Neuropeptide, a protein sequence which acts as a hormone or neurotransmitter.
TYPES OF CHEMICAL REACTIONS DESIGN LAB . Chemical reactions can be classified in many ways. One classification system involves five general types of reactions: combustion, synthesis, decomposition, single replacement, and double replacement. In this experiment you will investigate these different types of reactions by predicting the products of each reaction and using experimental evidence to test those predictions. SAFETY. Use precaution when lighting and operating the gas burner.