1,000 years
In many parts of the world, trees can provide a climate history for hundreds of years, with some extending back 1,000 years or more.
Answer:
True
Explanation:
Groundwater is the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The depth at which soil pore spaces or fractures and voids in rock become completely saturated with water is called the water table. Groundwater is recharged from the surface; it may discharge from the surface naturally at springs and seeps, and can form oases or wetlands. Groundwater is also often withdrawn for agricultural, municipal, and industrial use by constructing and operating extraction wells. The study of the distribution and movement of groundwater is hydrogeology, also called groundwater hydrology.
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Easily can slip away from predators.
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The best answer is C.</span>A heterogeneous mixture consists of two or more materials that have been physically combined but are unevenly mixed and can easily be identified from each other.
Chunky peanut butter is an uneven mix of peanuts and other food products. Bits of peanuts can easily be identified from the rest of the butter.<span> </span>
<span />Other examples are :
1. mixture of sand and iron filings.2. Mixture of gold and silver powder.<span>3. Vegetable or fruit salad.</span>4. Mixture of sand and water.5. Mixture of oil and water.6. Mixture of sand and fine gravel
