Questions

A bubble is what lighter than air but a hundred people cannot lift me.

A cytoskeleton is the frame that gives shape to a cell. And also it offers support, and facilitates movement through three main components:

microfilaments,

intermediate filaments, and

microtubules.

The cytoskeleton helps the cell move in its environment and controls the movement of all of the cell's interior workings.

Two passengers behind the operator is safe for a PWC.

A marketing mix and a promotional mix does have some differences, both being highly crucial for the success of a business. Marketing is very essential for the growth and continuity of business operations. It helps in creating new customers and retaining the existing ones to keep the business ongoing. Marketing focuses on all the elements of the marketing mix viz product, price, place and promotion while promotion focuses more on the customer- how to reach a product to its customers and how to sell it to them ultimately

The computer that process both analog and digital is called Hybrid computer.