Choose the best meaning for the word in capital letters.

We climbed all the way to the top of the sand DUNE.

Question 5 options:

a boat moved by oars

a hill or ridge of loose sand heaped up by the wind

a hill or ridge of loose sand heaped up by the wind

The best meaning for the word "DUNE" in this context is: a hill or ridge of loose sand heaped up by the wind.

To determine the best meaning for the word in capital letters, "sand DUNE," we can break it down into its individual parts.

The word "sand" refers to small grains of rock or mineral material, typically found on beaches, deserts, or near bodies of water.

The word "DUNE" refers to a hill or ridge made of loose sand that has been built up by the wind.

Given the context of the sentenceโ€”"We climbed all the way to the top of the sand DUNE"โ€”the most appropriate meaning for "sand DUNE" in this case would be "a hill or ridge of loose sand heaped up by the wind." This is because the sentence suggests that the climbing action was performed on a high point made of sand, indicating the presence of a hill or ridge. Therefore, the second option, "a hill or ridge of loose sand heaped up by the wind," is the best meaning for the word "sand DUNE" in this context.