Answer:
Explanation:
Given that:
For a continuous centrifuge ; solid recovery R ∝ 
where;
ω = angular velocity of the centrifuge in rpm
Q = flow rate
SO;
÷ 
Answer: A. plants
Explanation: plants begin the food chain because it is a producer, which doesn't eat other animals to get energy.
Groundwater refers to the water present underground, in the spaces and cracks in the sand, soil, and rock. It is accumulated in and moves gradually through the geologic creations of sand, soil, and rocks known as aquifers.
The groundwater supplies drinking water to about 51 percent of the total population of the United States and 99 percent of the rural population. Almost 64 percent of the groundwater is utilized for irrigation purposes, and it is also a source of recharge for rivers, lakes, and wetlands.
Hence, the correct phrases that describe groundwater are feeds rivers, used for irrigation, and provides drinking water.
Answer:
The circulatory system is the transport system for endocrine info. The endocrine chemicals and hormones must circulate through the body via blood vessels.
