Answer:
The digestive system breaks down the food into molecules that can be used by the cells. The circulatory system moves the molecules from the villi to all cells in the body.
Answer:
Audience knowledge level
Explanation:
The Key issue that Mario failed to consider when preparing for her presentation is known as Audience knowledge level.
Because Audience knowledge level comprises educating your audience with extensive information about the topic been presented. she actually tried in doing this but she was educating/presenting to the wrong audience ( People who are more knowledgeable than her on the topic ). she should have considered presenting a topic slightly different in order to motivate the audience.
Answer: key escrow
Explanation:
Using key escrow we are able to recover data if passphrase is forgotten. this technique uses a bypass link to get all the keys to the system only if it is an authorized entry.
Answer:
On-site food services is the INDEPENDENT variable and the weight gain is the DEPENDENT variable
Explanation:
Variables can be dependent or independent. An independent variable is the one used by the researcher to test its degree of influence on the dependent variable. The dependent variable, as the name implies, relies on changes in the independent variable to effect its own changes.
In the question, it is obvious that weight gain among the first year students is dependent on on-site food services