Why is meeting the needs for a growing population difficult?

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach

What nutrients prevent osteoporosis? a. all vitamins and minerals b. calcium, vitamins c, d, and k, and magnesium c. protein d. carbohydrates