Answer:
A
Explanation:
As the air rushes toward the center, it winds up moving in a curved path thanks to the Coriolis effect. This creates a circular spinning pattern as air travels from areas of high pressure to low pressure. That's why hurricanes originating in the northern hemisphere rotate counterclockwise.
Answer:
Every fossil tells us something about the age of the rock it's found in, and index fossils are the ones that tell us the most. Index fossils (also called key fossils or type fossils) are those that are used to define periods of geologic time
Explanation:
Answer:
A. the changes in the characteristics within a population that lead to survival.
Explanation:
those that cannot camoflauge or find a way to survive and reproduce, will die off.
Answer:
3
Explanation:
Allowing the thermometer bulb to touch the beaker will result in inaccurate readings because the thermometer will conduct heat from the beaker. This will be worse especially if the beaker is not at temperature equilibrium with the liquid inside. Also, don't handle the thermometer until the temperature levels off.
Answer:
Nitrogen is essential for all living things because it is a major part of amino acids, which are the building blocks of proteins and of nucleic acids such as DNA, which transfers genetic information to subsequent generations of organisms.