B - 17
The atomic number always matches the number of protons, or 17 p as listed in the image.
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Answer:
Weakening of digestive smooth muscle with age can cause constipation.
Explanation:
Smooth muscles in the digestive system have the role to move food down the tract via radially symmetrical contractions (peristalsis). With age, the function of smooth muscles reduces, causing the food to move more slowly through the alimentary canal (digestive tract). As a consequence, water gets absorbed from food waste, which can cause constipation.
A genome contains all the instructions that are needed to build an organism. <span>A genome is a complete set of genetic instructions of an organism. It is made up of DNA which contains genes and it is packed into the structures called chromosomes.</span>
Answer:
secondary succession
Explanation:
secondary succession occurs after a major natural disturbance in the environment, but the soil is still there afterwards so its faster then primary.
