Scientists are concerned about the overuse of antibiotics because it could lead to certain diseases becoming to these drugs. A. Vulnerable
B. Resistant
C. Larger
D. Vaccine

This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?

Which represents a negative impact of technology

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2