Which of the following statements regarding genetic mutations is true? O Mutations are always helpful, leading to the survival and genetic diversity (variation) of a given population
O Mutations are always harmful and can lead to the extinction of a species or population
Mutations can be either harmful or beneficial, providing either an advantage or disadvantage to the individuals survival
Mutations always lead to an decrease in the genetic diversity (variation) of a given population

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

What are the student's observations and inferences before he starts his investigation?

Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?