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Readme [11.4K]
2 years ago
8

When all particles are removed and can not erode the surface any more,

Biology
1 answer:
kow [346]2 years ago
5 0
A sand dune is the correct answer
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Why do scientists use light-year instead of Astronomical Units to measure the distances between stars?
vitfil [10]

Answer:

well AU is only for inside a star system and the number of AU would be too high, so light years are easier its like saying ur 6 feet instead of 72 inches or in centimeters

Explanation:

3 0
2 years ago
By which large pieces of food are cut and crushed into
AlekseyPX

Answer:

by which large pieces of food are cut and crushed into

by which large pieces of food are cut and crushed intosmaller pieces is called:

d. mechanical digestion

5. The tube that connects the mouth to the stomach is the:

a. oesophagus

5. The hard, outer coating of the tooth is called:

b. enamel

- The building blocks of proteins are:

c. amino acids

5. Which of the following vitamins is made by the body?

a. vitamin D- b. vitamin A c. vitamin C

. Having too little of the mineral iron can cause:

b. goitre

The wavelike motion that moves food through the digestive tract is called:

d. peristalsis

Gastric juice contains all of the following except:

d. bile

The process by which large food molecules are broken down into smaller food

The process by which large food molecules are broken down into smaller foodmolecules is:

c. mechanical digestion

Fats are digested in the:

b. small intestine

Poor nutrition caused by an unbalanced diet is called:

c. malnutrition

The fingerlike projections on the lining of the small intestine are called:

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4 0
3 years ago
Read 2 more answers
Water is held to a greater extent by clay than by sand.<br> true or false
Papessa [141]

Answer:true

Explanation:water just slips threw sand, but clay holds the water.

7 0
3 years ago
Sort the examples into proper mechanisms of reproductive isolation.
vovangra [49]
The mechanisms of reproductive isolation prevent the reproduction of two individuals from different species. The prezygotic mechanisms disrupt the stages of reproduction before the forming of the zygote or prevent the mating at the start, and the postzygotic mechanisms affect the stages of reproduction after the forming of the zygote.
So, the first and the third example (the urchins and the grasshoppers) show the prezygotic mechanism, as the two individuals are not able to mate or form a zygote.
The second and the fourth example ( zonkey and the death of a zygote) show the working of the postzygotic mechanisms, as the zygote is formed, but it seems to be inviable, and the zonkeys are sterile, preventing the individual to reproduce.

8 0
3 years ago
Read 2 more answers
What is an experiment topic
Zigmanuir [339]
Science experiments can be like “measuring how heart rate is effected by music “
5 0
2 years ago
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