Answer:
d.
Explanation:
they were needed to reduce carbon monoxide in our environment to sustain fresher air, less pollution and wildlife..
Answer: somatoform or somatic symptom disorder
Explanation:
It is any mental or psychological disorders where patients experience unexplained physical symptoms of illness which are idiopathic and not consistent with general medical guidelines.
Symptoms These depend on the age group of individuals , it usually begins as reoccurring stomachaches, followed by headache in early childhood. As age increases, the symptoms changed to insomnia, fatigues, depression and at chronic state seizure, and paralysis,
Answer:
The superior vena cava is formed by the merging of the right and left brachiocephalic veins.
Explanation:
The superior vena cava is one of the main veins of the human body, it is responsible for receiving blood from the head, neck, upper chest and upper limbs. It is formed by the union of the right and left brachiocephalic veins, they originate from the junction of the subclavian vein with the internal jugular vein to form the right and left brachiocephalic venous trunk, both trunks join or merge into a single trunk and they form the superior vena cava, which flows into the upper part of the right atrium.
Answer:
answer is B carbohydrates, fats and protiens
