Answer:
1. A verb and a subject must both be plural or singular.
2. Perfect tense is used to indicate a completed action or condition. Continuous tense is used to indicate an action that is, was, or will be in progress at a certain time.
3. Auxiliary verbs are sometimes refereed to as helping verbs because they help form the various tenses, moods, and voices of other verbs.
4. Most infinitives will begin with the word <u>to</u>.
Answer:
D is the answer
Explanation: Pathogen. Pathogens are mostly microscopic, such as bacteria, viruses, protozoa, and fungi, thriving in various places such as air, dust, surfaces, soil, etc. Not all bacteria are pathogens, in fact most of them are harmless and only a few are pathogenic
A causal friend might be a friend of a friend or someone that is in your class who you talk two once a week or less. A close friend knows all about you, defends you and you talk to every time you get a chance.
If I'm not mistaken, it was Carla Mason (not sure tho)