Answer:
The objective and ocular lenses are responsible for magnifying the image of the specimen being viewed. So for 10X objective and 10X ocular, Total magnification = 10 X 10 = 100X (this means that the image being viewed will appear to be 100 times its actual size).
Answer: A. plants
Explanation: plants begin the food chain because it is a producer, which doesn't eat other animals to get energy.
The correct answer is a - silicon dioxide.
Diatoms are single celled algae. They have a silica - based cell wall called a frustule, which gives each diatom a particular shape.
Diatoms exist as separate single cells although some may be found in groups or colonies. The ones found in colonies create very pretty forms: leaf shaped, oval , star and even like a period.
Outer shells of diatoms are quite valuable. They are used in industry in the manufacture of toothpaste to give it grit.
Answer:
The answer is option b. sacral bones.
Explanation:
The sacral bones are a shaped like a triangle and found below the fifth (5th) lumbar vertebrae and in between the hip bones. The joint formed with the hip bones is called the sacroiliac joint.
