The correct answers from the choices are:
a. Reduce inflammation locally
b. Antagonize H1 receptors
c. May be administered orally
<span>d. Are systemically distributed
</span><span>Antihistamines are drugs that are H1 antagonists or blockers, may be administered orally, are distributed systemically, and do not directly reduce nasal congestion.</span>
Converting a liquid to a gas is evaporation.
A covalent bond is a bond between 2 non metals, they share electrons. Ionic bonding occurs between a metal and a non-metal, and they transfer electrons.
Answer:
Snow forms when the atmospheric temperature is at or below freezing, and there is a minimum amount of moisture in the air. Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain
Explanation:
Answer:
A
Chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates are constant.
Explanation:
B/c chem reactions can be affected by temperature, pressure, etc. whereas, nuclear decays are constant. The decay rate itself is measured over a long period of time and it remains constant I believe.