Aforce that causes mass movement is called a. distance c. weight b. gravity d. none of the above

Option (B)

Explanation:

The mass movement refers to the downward motion of soil, rock particles along a steep plane under the influence of gravity. This is also known as the mass wasting.

The factors that affects the mass movement are-

(a) Gravity

(b) Lack of vegetation

(c) Water content in the soil

(d) Lack of friction along the slope

(e) Weight of the overlying material

Based on how these materials (sediments) falls, it is divided into types-

(1) Creep

(2) Fall

(3) Slide

(4) Flow

Hence, the correct answer is option (B).

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.