hmm I would debate a bit and if they were wrong then I'd correct them otherwise it's just a weird fact
Answer: False
Explanation:
Just because an environmental agent is not harmful does not mean that it is beneficial therefore not all non-harmful environmental agents that a pregnant woman ingests aid in the development of the fetus.
This is where the Placenta comes in. It filters out the agents and nutrients that are not needed and passes only the relevant ones to the fetus thereby ensuring that not all non-harmful agents pass through.
The largest is the Biosphere
B.An advertisement for acne medication claims it can clear up acne in less than one week.
Answer:
The correct answer is option B.
Explanation:
Homeostasis is the process or mechanism of trying to maintain equilibrium while interaction with the outside world. An example of maintaining homeostasis in the system level would be the endocytosis and exocytosis of a substance.
Endocytosis and exocytosis are the mechanisms in which molecules are brought into the cell and out of the cell depending on their need to the cell.
Thus, the correct answer is option B.
