[Solved] Aphanitic means that individual crystals are so small they are "not visible" to the naked eye. Group Presentation: A presentation made to multiple individuals at once, often used in sales or corporate settings to propose products, services, or ideas. Larger Groups: Collections of individuals or entities that are greater in number than what is considered small or standard, impacting dynamics and interactions. Problem-Solution Approach: A sales strategy that focuses on identifying a potential customer's problem and proposing a product or service as a solution to that problem. Memorized Approach: A sales technique wherein a seller uses a scripted message to pitch their product or service, often rehearsed to ensure consistency and effectiveness.