The answer is concrete laundry trays.
This is because as concrete trays ages with timeit becomes coarse and rugged due to water, soap and detergents. Their smoothness gradually fades with time, thus this makes it not as good regarding to health wise standards of living.

5 0

2 years ago

What is the food chain in a bass pond

Vanyuwa [196]

The type of food chain that exists in a pond is called the grazing food chain. In a pond, the producers are phytoplankton like some algae and submerged plants found at the edges. The consumers have included zooplankton and the last decomposers are some bacteria, fungi, etc found at the bottom of the pond.

6 0

2 years ago

How are organs formed ?

drek231 [11]

Organs are formed by tissues combined together.

♡♡Hope I helped!!! :)♡♡

6 0

3 years ago

A substance whose shape can easily change is a

katrin2010 [14]

Answer:

fluid.

Explanation:

because there molecules can freely move and take the shape of any container

3 0

2 years ago

Which part of an atom occupies most of its mass?​

Which part of an atom occupies most of its mass?