Answer:
How invisible particles can be observed in outer space. ... We call this invisible mass dark matter since it cannot reflect light. Gravitational effects are only way we can detect its presence.
Answer:
Use the percentage formula: P% * X = Y. Example: What is 10% of 150?
Answer:
D. The head of state
Explanation:
The president of the United States is invited to the NBA (National Basketball Association) opening ceremony to shoot the first ball into the basket and declare the basketball season open. In this scenario, the president will be fulfilling the role of the head of state.
Head of State is a term used in constitutional law, international law, political science, and diplomatic protocol to designate an official who holds the highest ranked position in a state and has the vested or implied powers to act as the chief public representative of a sovereign state. The President represents the state in the NBA opening ceremony, it is the Presidents role as the Head of State.
