Answer:Phase change materials (PCM) are substances that absorb and release thermal energy during the process of melting and freezing
Explanation: when it cools it changes like ice melting
Most of Sahel is flat. It is a transitional ecoregion of semi-arid grasslands, savannas, steppes, and thorn shrublands lying between the wooden Sudanian Savanna to the south and the Sahara to the north
It would be "Siberia" that lay farthest from the center of power in St.
<span>Petersburg, since Siberia represents a vast amount of territory that stretches all the way to the Pacific Ocean. </span>
um so im not sure what the answer is cos im doing the same test rn but the question is asking for your opinion on what u think it means so they probably wont count it as incorrect as long as its on topic and makes sense :)
The Housing and Urban Development Act of 1965 and the Fair Housing Act of 1968 were both aimed at "<span>c. improving housing and living conditions in cities," since during this time many housing complexes were very dangerous, and oftentimes segregated. </span>