4. A
srry thats the only thing i can answer
Answer:
Ionizing radiation comes from these main sources:
Nuclear reactions in the Earth's sun and stars in space.
Radioactive decay in the body's tissues and in the soil.
Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.
Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.
Answer:
COUNTRY/ Material
Explanation:
those are just obvious answers
Answer:
A
Explanation:
i guessed ona quiz and got it right.
The correct answer in this question is letter B. Through adaptation, an organism increases its chance of survival. This intensifies the fitness of species. A population may lead to extinction if its species did not adapt to the environmental changes.
