"Alkenes can be used to make polymers. Polymers are very large molecules made when smaller molecules join together, end-to-end. The smaller molecules are called Monomers. In general: lots of monomers molecules ----- a polymers molecule"
Answer:
Graduated Cylinder The most precise way to calculate the volume of an object, especially in the case of an irregularly formed object, is to immerse it in water and measure how much water it displaces. What is the more precise mass or volume measurement? Generally, mass is calculated by tools called balances.
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Answer:
C. canopy layer
Explanation:
in fact, it is estimated that 70-90 percent of life in the rainforest is found in the trees. one of the best examples of a canopy niche which multiplies diversity are the epiphytes, many of which form tiny ecosystems of their own.
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Answer:
C) esophagus - moves air from the nose into the lungs
Explanation:
The oesophagus is a muscular tube with a sphincter valve at each end. Its main function is to transport food and fluid, after being swallowed, from the mouth to the stomach.This is propelled from the pharynx into the oesophagus, and towards the stomach in a peristaltic waves. The peristalsis also pushes food along the alimentary canal
Answer:
Photosynthesis is good for us and the environment because it rids the excess carbon dioxide and reuses it as energy while producing oxygen so we can breathe!
Explanation:
