Once inside the tubule, substances are reabsorbed through active transport or diffusion. The method of absorption for each substance depends in part on the concentration of each substance in the tubule and in the blood. a) What types of substances could be reabsorbed by diffusion?

b) For which types of substances would energy and active transport be required?

c) What are some ways that reabsorption by diffusion and active transport could be limited in the kidneys?

c. movement because i took the test and it lets me review my answers

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

69 is the correct math for the amino acids