Hello, Mohammed is experiencing the phase called REM or rapid eye movement phase of sleep. The REM phase is where we typically dream. Also associated with this are the activity of our eyes to which the phase was named after. Scientists believe that this eye movements happen because of our dreams.
Answer B - reactivity
The rest are physical properties...
Answer:
In ecology and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic and abiotic compartments of Earth.
Explanation:
<em>Unknown source.</em>
The Sahara and Negev share a Biome
Answer:
Drought in this region is frequent, lasting one to two months on average, and ... Prairie grasslands extend eastward from the Canadian Rockies to the ... The extreme nature of climate on the prairies was first highlighted in relation to ... prairies, a well-defined gradient existed in Tmn, extending from a high of around −12.5 °C