What are four different adaptations that desert plants have? im not very aware of desert plants can some people tell me this answer.

 To survive, desert plants have adapted to the extremes of heat and aridity by using both physical and behavioral mechanisms, much like desert animals. 

Plants that have adapted by altering their physical structure are called xerophytes. Xerophytes, such as cacti, usually have special means of storing and conserving water. They often have few or no leaves, which reduces transpiration. 

Phreatophytes are plants that have adapted to arid environments by growing extremely long roots, allowing them to acquire moisture at or near the water table. 

Other desert plants, using behavioral adaptations, have developed a lifestyle in conformance with the seasons of greatest moisture and/or coolest temperatures. These type of plants are usually (and inaccurately) referred to as perennials, plants that live for several years, and annuals, plants that live for only a season. 

Desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available.

Volcanic eruptions can in two major ways, impact the atmosphere. Next, they emit carbon dioxide, a greenhouse gas that leads to the warming of the atmosphere. But the impact is small. Since 1750, volcanic emissions have been thought to be at least 100 times less than those from the combustion of fossil fuels.

During high sunspot activity, ultraviolet radiation rises significantly, and can have a large impact on the atmosphere of the Planet. Overall, however when observing the Planet on a large scale and over long stretches of time, it is clear that the production of solar energy has an impact on the atmosphere of the Earth.

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