The flow<span> of a </span>river<span> is the amount of water in the </span>river. ... Likewise, the steeper theriver's gradient<span>, the faster the </span>flow<span> of water (due to the pull of water down the </span>gradient<span>by gravity). Likewise, lower </span>gradients<span> would result in slower </span>flows<span> of the</span>river<span>.</span>
Answer:
Evolution is change in the heritable characteristics of biological populations over successive generations.
Explanation:
An example of evolution is the theory started by Charles Darwin that theorizes about how humans came to be in their present form.
Answer:
The pacemaking signal generated in the sinoatrial node travels through the right atrium to the atrioventricular node, along the Bundle of His and through bundle branches to cause contraction of the heart muscle.
Answer:
a)
Explanation:
African crested rat use de Acokanthera tree to its protection, by chewing the poisonous branches and leafs, and applies it to its fur. This makes a shield to the african crested rat against the predators