(Q).
Q: Molds and casts usually form in which type of rock? Read this paragraph and choose the correct option from the provided answers: Molds and casts are another way organisms can be fossilized. A mold is an imprint of an organism left in rock. The organism's remains break down completely. Rock that fills in the mold resembles the original remains. The fossil that forms in the mold is called a cast ( Figure below ). Molds and casts usually form in sedimentary rock. With compression ( Figure below ), an organism's remains are put under great pressure inside rock layers. This leaves behind a dark stain in the rock. Choices: - igneous - metamorphic - crystalline - sedimentary A:
(A).
sedimentary

(Q).
Q: Group 16 is called what? Read this paragraph and choose the correct option from the provided answers: Group 16 is called the oxygen group. The first three elements in this group are nonmetals. They are followed by one metalloid and one metal. All the elements in the oxygen group have six valence electrons, and all are reactive. Oxygen (O), for example, readily reacts with metals to form compounds such as rust. Oxygen is a gas at room temperature. The other four elements in group 16 are solids. Choices: - noble gases - the acid group - metalloids - the oxygen group A:
(A).
the oxygen group

(Q).
Q: What is most of the water used in agriculture used for? Read this paragraph and choose the correct option from the provided answers: Many crops are grown where there isn't enough rainfall for plants to thrive. For example, crops are grown in deserts of the American southwest. How is this possible? The answer is irrigation. Irrigation is any way of providing extra water to plants. Most of the water used in agriculture is used for irrigation. Livestock also use water, but they use much less. Choices: - cleaning - construction - sowing - irrigation A:
(A).
irrigation