<span><span>Carbon Hydrogen Nitrogen Oxygen Sulphur</span>
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Answer:
We can easily find out the beginning point of the line by using dot representation. When it comes to position vector, it expresses the exact position of certain object from the starting point of the coordinate system. The vector is a straight line that has a certain end which is fixed to its body.
Answer;
-Spinal cord may be affected
Explanation;
-If the caudal portion of the Neural tube failed to develop properly, the spinal cord may be affected.
-The neural tube is the embryonic structure that develops into the brain and spinal cord.
-Its defects arise from failure of embryonic neural tube closure by the fourth week of pregnancy, causing malformations of the brain and spine.
A) density dependentB) density independentC) population dependentD) population independent
The answer is: B. DENSITY INDEPENDENT
Density independent is a limiting factor. It affect birth and death rates of organisms through abiotic and environmental factors. A forest fire is one of the environmental factors that affects the density of a species in a given location.