Answer:
As the spies of a cactus are modified leaves, they have ar spaces.
Explanation:
However, leaves of cactus are not like every other leaf. These leaves are in the form of spines to save the amount of water that the cactus needs.
Most of the amount of water, cactus s saving in its root. Also, the stem of a cactus is used for making food, and this is also the way of saving the water.
Answer: Metalloid and non-metals not only form covalent bonds by sharing, but can form ionic bonds either by losing or gaining electrons
Hope this helps
Explanation:
<span>The correct answer is b. The open ocean. The definition of an island ecosystem does not have anything to do with water, but simply refers to an ecosystem that exists as a microcosm within a far larger, separate ecosystem. The ocean has lots of separate island ecosystems within it, but it itself cannot be referred to as one.</span>
Answer:
Alzheimer's disease
Explanation:
Neurodegenerative disease is the condition which is caused when the fundamental unit of the nervous system called neurons degenerate. The two main neurodegenerative diseases are Alzheimer's disease and Parkinson's disease.
The Parkinson's disease is the disease which affects the musculoskeletal system but the Alzheimer's patient is not able to recall the memory and events, therefore, interfere with the deterioration of the cognitive and emotional abilities.
Thus, Alzheimer's is the correct answer.
