The term "orthocoronavirinae" represents a "sub-family" of the coronaviruses. All coronaviruses share the characteristic of being RNA viruses- they are made up of small particles of genetic material called ribonucleic acid. They are also surrounded by a "fatty protein coat" and depend on the organisms they infect (hosts) for their very survival.
Answer:
21. Erosion causes physical changes. For example - Land degradation, deforestation.
20. B statement is closely related to climate.
hope it helps!
Stimuli that can make you run faster:
1. sound: if you hear a wild animal running after you that will make you run faster
2. vision: viewing something scary or unpleasant acts as a stimuli to make you run faster
3. pain: pain as a stimulus will make you run faster as it your bodies way of protecting you from harm
Hope this helps good luck <span />
Pizza dough cheese tomato paste this is your typical cheese pizza
Chemicals dissolved in water. Calcite is a good example, if I'm not mistaken.
