Biotic-the decrease of fish can Make the bear population decrease
abiotic-A rapid change in the temperature can make the bear population decline
<span>
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
Answer:
Explanation:
Bands are used in separation of agarose gel during electrophoresis. It helps to separate DNA fragments. DNA strands are negatively charged and are moved towards the anode according to there sizes this creates the bands that is seen. The Bands are viewed ender ultraviolet rays of light.
The bands are usually clear and distinguishable when viewed but smearing could occur and this makes the band lump together.
