For a fish to be buoyant, or float, it must displace less water or the same amount of water as its own body mass. ... Many fish use swim bladders to help them with quick depth changes. These bladders fill with air to help fish rise or release air so fish can sink, often in conjunction with forward movement.
Answer:
The correct answer is Wholesalers and Retailers
Explanation:
By and large, the retailing and wholesaling businesses (regularly alluded to as the distributive trades sector) speak to the transitional strides in the dispersion of stock or goods among manufacturers and consumers of merchandise.
Wholesale and retail exchange services are critical to the proficient and viable progression of merchandise from manufacturers to consumers.
Together the wholesaling and retailing enterprises represent critical bits of monetary yield and worldwide business.
Maybe b and c ? It’s makes sense to wear protective clothing and staying indoors