Maribel places her backpack and lunch bag on a lab table where there are lab materials. what is the safest way for maribel to arrange the items?
both the personal items and the lab materials should be arranged neatly along the edge of the table.
both the personal items and the lab materials should be arranged in the center of the table.
the lab materials should be in the center of the table, and the personal items should be on the edge of the table.
the personal items should be off the table, and the lab materials should be placed neatly away from the edge of the table

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Recently, crops of vegetables such as lettuce and green onions have been contaminated, while they are still on the farm, with bacteria that cause food poisoning. how will science influence the way the government responds to prevent an increase in food-borne diseases? because science has shown that lettuce and green onions are not nutritionally valuable, the government may pass laws that ban the sale of lettuce and green onions. because science has shown that there is no way to prevent bacterial contamination, the government may pass laws that punish businesses that buy lettuce and green onions. because science has shown that the washing of hands prevent the spread of infectious diseases among people, the government may pass laws that require hand washing by everyone who handles food. because science has shown there are ways to find the source of the contamination, the government may pass laws that require farm practices that reduce the contamination of lettuce and green onions.

Which gas prevents the spread of fire and extinguishes it? is a type of compressed gas that prevents the spread of fire and extinguishes it.