Hurry ill give brainlest for free ! the diagram below shows several rock layers and other geologic features. each feature is labeled with a unique letter. the order of the letters do not necessarily reflect the order in which the features formed. examine the diagram, and answer the question that follows.

using the principles of original horizontality, superposition, and cross-cutting relationships, determine which of the following features is the youngest.

Which of the following initial observations would more directly lead to this research study? a) ginko biloba is cost effective and also possesses heart-protective, antioxidant, anti-inflammatory properties. b) metformin is an effective treatment of patients with t2d, but shows side effects that complicate the disease state. c) over the past several years, the cost of treating t2d within the united states has increased dramatically. d) many plants contain molecules that improve the health and quality of life of patients with a variety of diseases like t2d. e) t2d affects millions of individuals in the usa and worldwide many of who could benefit from improved therapies.