Both statements about the experiment are observations.
Answer:
single celled
Explanation:
because i asked a teacher
The correct answers are:
• Human bodies may contain pathogenic bacteria, but these are often kept in check by other (nonpathogenic) species.
• Human bodies contain bacteria that are beneficial to certain processes (for example, digestion).
Non-pathogenic species or normal flora are present in the different parts of human body such as oral mucosa, skin, seminal fluid, uterus, lungs, saliva.. Microbiota of normal flora are usually commensal (co-exist without harming effects on humans) whie some of them even have a mutualistic relationship with their human hosts (benefits for both) such as those hosted in the intestine.
Answer:
The answer is 150 units to the left.
Explanation:
You start with the bigger number and subtract it because they ´re going opposite directions. It goes to the left because your net force will go in that same direction with the bigger number.
450 - 300 = 150 units to the left
I hope this helps u! :D
