Answer:
its b
Explanation:
because i just took the test baddies
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present. Never remove chemicals or other equipment from the laboratory. Chipped or cracked glassware is okay to use. Read all procedures thoroughly before entering the laboratory.
Is the answer
18 boxes of nails weighs 49.5 kg
So one box weighs 49.5/18=2.75 kg
Therefore each box weighs 2.75 kg
That means each box weighs 2 wholes and 3 by 4
Difference of two squares
it always results in a^2-b^2
The difference in muscularity between the crop and the gizzard earthworm is that; Crop muscularity is soft while for gizzard it is hard.
<h3>What are the differences in Muscularity?</h3>
Earthworms usually eats the soil that has organic matter such as leaves and others.
Now, the digestive system of earthworms is made up of pharynx, oesophagus, intestine, gizzard and crop. The mode of digestion is that the food passes through the esophagus after which it is now pushed down the crop where it is used for storage and then in the gizzard where the food is being grind.
Finally. the difference between the crop and the gizzard is that the crop muscularity is soft while that of gizzard is hard.
Read more about Muscularity at; brainly.com/question/10020839
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