Delegates from local units come together at an international convention to elect the top officers of the union, including the international president. Each convention is numbered in the order it occurred in history, so the number points to the exact gathering where the leadership vote happened. Edwin D. Hill was elected international president at the 36th convention, which is why that option correctly identifies the event. The other numbers would correspond to different conventions and do not match the election moment for Hill.

The immune system can be affected by substances, and some drugs may weaken its defenses, making infections harder to fight. Marijuana is the one most consistently linked to immune modulation because cannabinoids interact with receptors on immune cells, which can dampen immune signaling. This can slow the activity of T-cells, macrophages, and natural killer cells, leading to a weaker response and potentially more severe infections. The other options don’t have as clear or direct a link to immunosuppression in typical use: heavy alcohol use can impair immunity, caffeine generally doesn’t suppress immune function at normal doses, and cocaine’s health effects are more about acute toxicity and vascular/neurological issues than direct immune suppression.

National standards give a consistent skill set and evaluation, while local trusts provide the funding and governance to run training programs in a given area. When these come together, it becomes practical to form Joint Apprenticeship and Training Committees at the local level to oversee the programs, coordinate with employers, and sponsor training sites. That combination leads to more local JATCs being established to manage and deliver the standardized apprenticeship locally. The other options don’t fit because they describe centralized structures, different kinds of facilities, or outcomes rather than the entities created by this arrangement.

In most introductory tests, grading is done using a percentage of the total points available. You calculate this by dividing the points you earned by the maximum possible points, then multiply by 100. This percentage gives a clear, comparable measure of performance across students and tests, and instructors often map that percentage to a final grade using a predefined scale. Because this straightforward method is the standard way to report results for many first-year assessments, the statement is true. Keep in mind that some courses might use variations like curves, rubrics, or pass/fail systems, which can adjust the final outcome, but the basic idea—evaluating performance as a percentage of total points—is the common foundation. For example, scoring 18 out of 20 points would yield 90%.