Answer:
Cell membranes serve as barriers and gatekeepers. ... Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly. On the other hand, cell membranes restrict diffusion of highly charged molecules, such as ions, and large molecules, such as sugars and amino acids.
Explanation:
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I believe it’s | Weathering |
How you know:
The damage was done by temperature, which has to do with weather.
Erosion is usually caused overtime by water elements , and it causes the rocks to erode.
Answer: weathering
Climate is the change in weather. weather is temperature
Answer:
Structure of the atmosphere
The atmosphere can be divided into five layers according to the diversity of temperature and density. They are:
Troposphere
Stratosphere
Mesosphere
Thermosphere (Ionosphere)
Exosphere
Explanation:
Composition of the atmosphere
The atmosphere is made up of different gases, water vapour and dust particles.
The composition of the atmosphere is not static and it changes according to the time and place.
In a mutualistic relationship, both species benefit.
Predation is when a predator eats another organism, in which the predator benefits and the other organism dies.
In parasitism the parasite benefits while the host is harmed.
In competition, neither species benefits because they're too busy fighting over resources.
Commensalism is when only one of the two species benefits but the other is not harmed.