The best answers are deletion and insertion
<span>The victim's hair had grown 8 mm, which at a rate of 0.44 mm per day means that she was alive 18.18 days after dying her hair. Given the date of hair dying as August 1, 2004, it is likely that the victim was deceased sometime on August 19th, 2004. Time of the day depends on the previous hair dye schedule, which was not provided.</span>
Eating fruits and vegetables can protect us from diseases. They contain important vitamins and minerals. Since they are low on calories, they help in weight management. It is nutritious and energizing. They contain their own combination of phytochemicals and nutrients that work together to promote good health.
Answer:
The correct answer would be D.Alveolar sacs are surrounded by thin capillaries where gases can be exchanged.
Alveoli are tiny sacs which form the site of gas exchange in the lungs.
The features of alveoli which help in gas exchange are:
- They increase the surface area in the lungs thus, more space is available for gas exchange.
- They have very thin walls, as thin as the thickness of a single cell only.
- They are surrounded by a bunch of thin capillaries which exchange gases with alveoli.
<span>The answer is B. Mesoderm.
During gastrulation three layers form. Ectoderm, mesoderm, and endoderm. Mesoderm is the middle layer and from that layer a multitude of tissues and organs develop. The mesoderm develops into connective tissues like cartlage, bone, blood, and blood vessels. The mesoderm can also develop into muscle types like cardiac, skeletal, and smooth.</span>
