Answer:
Regardless of how the steps are documented, the goal of scientific method is to gather data that will validate or invalidate a cause and effect relationship.
Explanation:
Answer:
Vitamin C
Explanation:
Vitamin C is known as the ascorbic acid performs various functions in humans and is present as the constituent of the skin epidermis.
Vitamin C protects the skin from photodamage caused by the harmful UV radiations and helps in the synthesis of collagen, a type of connective tissue in the human body.
Vitamin C is involved in the hydroxylation of collagen synthesis which is important for the support of the epidermis and extracellular stability.
The deficiency of Vitamin C causes scurvy characterized y the fragility of blood vessels and bleeding.
Thus, Vitamin C is the correct answer.
Answer:
Presence of chlorophyll pigment in the leaves and cell walls were made of cellulose
Explanation:
The first plants that appeared on the land areas were comprised of the main component known as the cellulose that forms the cell wall of the plants and is responsible for making the various parts of plants such as branches, plant stems, and leaves, stronger and supportive.
In addition to this, the leaves of these primitive plants were comprised of green pigments known as chlorophyll that absorbs the sunlight and CO₂, and helps the plants in preparing the food for themselves as well as for the consumers, and also liberates oxygen (O₂) with it.
Thus, these are the two common characteristics that supported the idea that the primitive land plants had a relation with the green algae.
<span>The frontal and parietal bones of the skull are susceptible to compressed skull fractures. This is especially important in newborn babies. There is a location in the skull called the Anterior Fontanelle, where two frontal and 2 parietal bones meet. This area of the skull is very soft until as late as 2 years old.</span>
Answer:
The energy that was not passed on the next tropic level is lost as heat
Explanation:
In an ecosystem flow of energy occur from one tropic level to the next one as the organism of one tropic level eats another organism belongs to the tropic level that is lower from that of previous one.
The 10% of total energy of one tropic level is passed to the next tropic level the rest of the energy is lost as heat in the environment.
