<span>The rate of diffusion of a substance depends on four factors which are: temperature, concentration gradients, diffusion distance and the diffusion and host material. The rate of diffusion is affected by differences in concentration gradient; the higher the difference in concentration gradient, the higher the diffusion rate. Thus, small concentration gradient will not increase the rate of diffusion. The correct option is A.</span><span />
Answer:
increasing growth and decreasing rate of growth
Explanation:
Global population growth slowing due to greater longevity and lower fertility rates. The world's population is getting older and growing at a slower pace but is still expected to increase from 7.7 billion currently to 9.7 billion in 2050
<span>Vegetative propagation is the process of growing a new plant from parts of another plant. This can be done in a number of ways, the most common being cutting. Cutting can allow for the plant to develop roots in the part that was cut off.</span>
Answer:
The stored energy in the wood is chemical energy, meaning that it can be released by a chemical reaction (burning). It's closely related to those fossil fuel energies, because the chemical energy was formed by photosynthesis, using energy from sunlight as the input.
Explanation:
Answer:
Within each organ, movement moves food and liquid into each organ and combines the contents. A sphincter lets it move through your stomach as food hits the end of your oesophagus. Using motions such as chewing, squeezing, and mixing, the digestive organs divide the food into smaller pieces. The rectum, the lower end of the large intestine, stores stool until the stool is forced out of the anus. To see how food travels through the GI tract, watch a video. External connection from NIH. When you chew, the digestive process begins in your mouth. Salivary glands create a digestive juice that moistens food so that it passes into your oesophagus more easily. There is also an enzyme in Saliva that starts breaking down starches in your food. Peristalsis will force the food down your oesophagus into your stomach after you swallow. What happens to the digested food The hormones and nerves work together to help regulate the digestive process. The liver produces bile that helps digest fats and certain vitamins. Your body is informed by hormones when
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Explanation:
