Answer:
Desertification is the destruction of the biological potential of the land and it is generally viewed as an advanced stage of land degradation. human activities also cause the process such as poor irrigation practices, deforestation, the expansion and intensive use of agricultural lands, and overgrazing.
Such human activities put enormous pressure on the land by altering its soil chemistry and hydrology. Modern agriculture causing a negative impact on the soil and land by overexploiting the biological and chemical potential of the land.
Alex is at rock concert. ..................................................... is most accurately called SENSATION. But ................................................. is most accurately called PERCEPTION.
Sensation occurs when light waves enter the sense organs and get converted to electrical impulses. The sense organs involve in this case are the senses of touch, sight, smell, hearing and taste. Perception occurs when the brain send signals to the body which result in identification or recognition of the sensation.
Answer:
C. fungus-like protist
Explanation:
The fungus-like protists are organisms that seem like plants, but are much more closely related to the animals. They tend to be parasitic, thus they use a host in order to be able to get the needed nutrition. Unlike the producers, the fungus-like protists are not capable of performing the process of photosynthesis, thus they do not produce their own food. Considering these characteristics, it is no wonder that they can mostly be found on dead plants from which they can feed upon.
Answer:
All the statements are true and the correct option is;
D. All of these are true
Explanation:
Ecosystems change over time. ... Sudden disruptions such as volcanoes, floods, or fires can affect which species will thrive in an environment. Other disruptions are caused by human activities
An ecosystem ecosystem is an area where a community living (biotic) and non living (abiotic) things such as plants, animals, other organisms, landscape, natural sources and weather interact to create an apparently sustainable system
An ecosystem undergoes several changes over time due to environmental disturbance which results in the variation of the ecosystem's structure and change rate due to the natural disturbance and/or human activity
Therefore all the statements are true.
Answer:
The correct statements about nutrition for older adults are:
1-Many older adults have difficulty absorbing vitamin B12 from food.
2-Severe arthritis can impact mobility as well as diet choices.
Explanation:
Many older adults have difficulty absorbing vitamin B12 from food bacause With as human grows older, it can become harder to absorb this vitamin.
Yes, it's possible for Severe arthritis to have impact on mobility as well as diet choices, It can result in chronic pain, inability to do daily activities and difficult to walk as we grew older.
This make option 1 & 2 the right answer.
Herbal supplements are not safe to manage health conditions irrespective of age factors, because the proportions of the chemical combinations in the herbs are not in right amount.
Also, in older adults , exercise will not increase risk injury. The sole purpose of exercise is to maintains of the body and a healthier life.
