how are deserts and tundras similar?
a. they both have temperatures that reach 120°F
b. they both are home to different types of cacti
c. they both receive up to 25 cm of precipitation each year
d. they both have a top layer of permafrost
d. they both have a top layer of permafrost
Deserts and tundras are similar in terms of both having a top layer of permafrost (option d). Deserts, however, typically have high temperatures and receive very little precipitation, while tundras have cold temperatures and receive low amounts of precipitation. Therefore, options a, b, and c are not accurate in describing the similarities between deserts and tundras.
To determine how deserts and tundras are similar, we can analyze each of the options provided:
a. They both have temperatures that reach 120°F: This option is incorrect. While deserts can have extremely high temperatures, tundras are known for their cold temperatures, and it is unlikely for them to reach temperatures as high as 120°F.
b. They both are home to different types of cacti: This option is incorrect. Cacti are typically found in desert regions due to their ability to withstand the hot and dry conditions. Tundras, on the other hand, are characterized by a lack of trees and are mostly covered by grasses, mosses, and lichens.
c. They both receive up to 25 cm of precipitation each year: This option is incorrect. Deserts are known for their low precipitation and can receive much less than 25 cm per year. Tundras, meanwhile, tend to have low annual precipitation as well, but their specific ranges can vary depending on the location.
d. They both have a top layer of permafrost: This option is correct. Both deserts and tundras can have permafrost, which refers to the permanently frozen ground below the surface. While deserts may seem dry and hot, they can still have patches of permafrost in certain areas.
Therefore, the correct answer is d. They both have a top layer of permafrost. To determine this information, you can study ecological characteristics and geographical features associated with deserts and tundras, including their climate, plant life, and soil composition.