Which description would most strongly create a feeling of dread in a story? After waiting as long as she could stand it, Jessie rushed through the door and flipped on the lights.
As the door slowly creaked open, Jessie peered carefully into the vast darkness, holding her breath.
Jessie peeked around the slowly opening door, hoping to find her mom waiting quietly.
When the room couldn't get any brighter or more cheerful, Jessie walked slowly through the door.

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?