If a burning splint is placed in a container and burns more brightly in the presence of some gas already in the cylinder, that gas would probably be Oxygen.
Oxygen is the main component of air that we need to breathe. It is the most commonly available oxidizer. Besides combustion, it plays many roles in our life such as; the food we eat requires oxygen which helps in digestion and absorption of nutrients by the cells.
Answer:
Test a known bloodstain as a positive control and a blank (filter paper) as a negative control (see interpretation of results to determine a positive and negative result).
Answer: Ascending colon, right colic flexure, transverse colon, left colic flexure, descending colon and sigmoid colon.
Explanation: The ascending colon is the second part of the large intestine and is located vertically; the transverse colon is the third part of the colon and is the most mobile and the longest, approximately 45 cm; the descending colon is the part of the large intestine that continues after the transverse colon down, it is the part of the large intestine in which stool accumulates and compacts; the sigmoid colon is the last portion of the large intestine and is characterized by the shape of the letter S. It measures approximately 40 centimeters and joins the descending colon with the rectum.
The total magnification of a specimen viewed under a compound light microscope is determined by <span>multiplying the power of the objective lens times the power of the ocular lens. The correct option among all the options that are given in the question is the third option or option "C". I hope it helps you.</span>
Answer:
X: Producers undergo photosynthesis
Y: Decomposers return carbon to the soil and release
waste.
