Integration and communication are the two majorfunctions of nervous tissue<span>. </span>Nervous tissue<span>contains two categories of cells — neurons and neuroglia. Neurons are highly specialized </span>nerve<span> cells that generate and conduct </span>nerve<span> impulses.
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Answer: Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air. A hot air balloon uses a burner to heat up the air inside the balloon.
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<span>A polygenic trait is contributed by two or more genes one gene two alleles multiple alleles. True!</span>
Answer
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
What causes hemolytic disease of the newborn (HDN)? HDN most frequently occurs when an Rh negative mother has a baby with an Rh positive father. When the baby's Rh factor is positive, like the father's, problems can develop if the baby's red blood cells cross to the Rh negative mother.
