Ques: Q: What is stacked in layers in "layer cake geology"? Read this paragraph and choose the correct option from the provided answers: Geologists say that the Grand Canyon ( Figure above ) has "layer cake geology. " This is because the rock strata are in layers. They are extremely easy to see. Sedimentary rocks are like a book that tells the story of the environment in which they formed. Rock units can be traced across large expanses. Looking down into the Grand Canyon, you get a sense of the vastness of space and of time. Choices: - sediment - soil - horizontal stata - rock stata A:
Ans: rock stata

Ques: Q: Pavement cells, large, irregularly shaped parenchymal cells which lack chloroplasts, make up the majority of what? Read this paragraph and choose the correct option from the provided answers: This tissue includes several types of specialized cells. Pavement cells, large, irregularly shaped parenchymal cells which lack chloroplasts, make up the majority of the epidermis. Within the epidermis, thousands of pairs of bean-shaped schlerenchymal guard cells swell and shrink by osmosis to open and close stomata , tiny pores which control the exchange of oxygen and carbon dioxide gases and the release of water vapor. The lower surfaces of some leaves contain as many as 100,000 stomata per square centimeter. Choices: - dermis - layers - Skin - epidermis A:
Ans: epidermis

Ques: Q: How many types of leptons are there? Read this paragraph and choose the correct option from the provided answers: There are also six types of leptons, including electrons. Leptons have an electric charge of either -1 or 0. Electrons, for example, have a charge of -1. Leptons have mass, although the mass of electrons is extremely small. Choices: - nine - two - twelve - six A:
Ans: six

Ques: Q: What is name of the phenomenon where similar traits evolve independently in species that do not share a common ancestry? Read this paragraph and choose the correct option from the provided answers: Figure 22.31 The force on a current-carrying wire in a magnetic field is. Choices: - equation evolution - coalescence evolution - divergent evolution - convergent evolution A:
Ans:
convergent evolution