Answer:
Point-source pollution is easy to identify. As the name suggests, it comes from a single place. Nonpoint-source pollution is harder to identify and harder to address. It is pollution that comes from many places, all at once.
The most appropriate technique that the physician should use to estimate the basal metabolic rate of Louisa's body is indirect calorimetry.
<h3>What is indirect calorimetry?</h3>
Indirect calorimetry is a medical technique for determining a person's resting energy expenditure. This technique is used to calculate the calories your body expends in a resting situation.
Information obtained from indirect calorimetry can be used as a guide to basal metabolism to determine whether it is normal, increased, or decreased.
Based on the above, this is the best technique the doctor has to find out why Louisa is gaining weight without changing her diet.
Learn more about diet in: brainly.com/question/4539044
Erythropoiesis is the formation of the red blood cells a process which takes place in the bone marrow. All blood cells are formed in the bone marrow, a soft, highly cellular tissue that fills the internal cavities of the long bones. It takes place in 8 stages where the first seven steps takes place within the bone marrow and after the 7th step the red blood cell is released into the blood stream as reticulocyte which then matures to erythrocyte after 1-2 days.
Animal cell structures and organelles interact as a system to maintain homeostasis by making sure each part of the system works together.