Answer:
<em>True.</em>
Explanation:
<em>As a river develops bends, called meanders, it forms a broad, flat area known as a floodplain. At the end of a stream, a delta or an alluvial fan might form where the river drops off much of the load of sediments it carries. Caves form underground as groundwater gradually dissolves away rock.</em>
Answer:
In solids, particles have greater amount of attractive forces, they have fixed shapes and less energy.
In liquids, particles have weak forces of attraction b\w them, they take the shape of their container and have more energy. The often slide pass each other.
In gases, particles have almost no amount of attractive forces, they have no fixed shape and much more energy. They can move freely .
<span>The tracheae possibly have evolved directly from the book lungs</span>
Explanation:
<u>First row (left)</u>
SS
smooth pod shape
<u>First row </u><u>(</u><u>right</u><u>)</u>
Ss
smooth pod shape
<u>Second row (left)</u>
Ss
smooth pod shape
<u>Second row (right)</u>
ss
constricted pod shape
Biological evolution is the process by which populations of organisms change over time. How could natural selection lead to the evolution of a species?