Which of the following statements is true? choose all that apply. no observations must be used in scientific experiments. direct observations are used in experiments. indirect observations are used in experiments. neither direct nor indirect observations can answer science questions.

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.

What is the least amount of money a student will receive when participating in work study ? a. $10 an hour b. federal maximum wage c. federal minimum wage d. $6 an hour

Which statements are true regarding an individual retirement account? check all that apply.