Environmental barriers to physical activity include both external/physical factors and social factors that may make it harder or easier for you to exercise.
Answer:
If all frogs were to die off, a valuable food source will go missing in the food chain of many animals around the world after that the number of animals that eat the frogs will die off, then the animals that eat them will go hungry, and their populations will be devastated as well.
It is an absolutely true statement that a <span>gene is a subunit of information on a chromosome. The correct option among the two options that are given in the question is the first option. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span>
