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.
Hypothesis: large servings might encourage children of today to eat more data and sugars than children ate a generation ago
Answer:
<h3>c) Production of chlorophyll.</h3>
Explanation:
Leaves cannot perform photosynthesis without chlorophyll. Some plants have variegated leaves, with patterns of white and green. In these plants only the green parts of the leaf can photosynthesize, because the white parts have no chlorophyll.
i hope it's help
Answer:
a human can stay up to 79 years
