Answer:
Earth's climate had remained relatively constant.
Explanation:
- Scientists have established that human-based activities have affected and are affecting a rapid change in the earth's climate as they have brought about massive changes in the global carbon cycles and affected the ecological systems.
- Earth is has an ever-changing climate and the variation in the orbit of earth results in natural changes such as seasons, which depend on the duration and intensity of the sunlight.
Answer: Thymus gland
Explanation:
The thymus gland is an endocrine gland that is located in the upper part of the human chest. It is responsible for producing white blood cells. This gland is located near the airway. The enlargement of the thymus gland can suppress the nearby structures. This may result in shortness of breath, and cough along with sputum. The thymus gland produces several endocrine hormones like thymopoietin and thymulin.
The given condition is indicative of the mass of the thymus gland.
Correct answer is label B. on the purple shaded area which is inside the ventral horn and dorsal.
Spinal cord is termed as tubular or long thin structure which is made of nervous tissue. It is being extended to the lumbar region which is found in the brainstem from the medulla oblongata.
This is enclosed in the central canal which contains cerebrospinal fluid of the spinal cord. If we combine spinal cord and the brain we come up with Central Nervous System.
Between the second and first lumbar vertebrae is where spinal cord extends and it is where it ends.
<em>The major function of spinal cord is nerve signal transmission from motor cortex to body. </em>
Answer:
A.
Explanation:
It's sugar or glucose and oxygen
Answer:they convert light energy! they play a big part in photosynthesis
Explanation:
