How much energy must be added to a 2-kg piece of aluminum with a specific

heat of 900 J / (kg°C) to increase its temperature from 10°C to 50°C?

O

A. 1,800 J

O B. 900,000 J

O C. 108,000 J

O D. 72,000 J

Why do you think people are willing to accept the costs as well as the benefits of using fossil fuels?

How can the arrangement of furniture in a room influence an individual's behavior? a. The arrangement of furniture in a public room can either encourage or discourage social interaction. b.

Deep loss of skin surface that may extend into the dermis, may cause bleeding or A. scarring, B. ulcer D. crusts

During fast pedalling, a person weighing 75kg burns 52.25kj/minute. It is known that a sample of 100g of cake will release 550 kcal when it is burned in a calorimetric bomb.

What are the benefits of antibiotics?

Why do scientist try to repeat other scientists experiments

In Mendel's work with peas, an F1 hybrid (smooth yellow) was crossed to the recessive (wrinkled green) parent type. In terms of color, what were the frequencies of the phenotypes in the offspring of this cross?

Which of the following choices is a goal of sustainable practices? A. They focus on using resources for maximum productivity. B. They focus on using resources that can disappear if overused. C. They focus on using resources that can be renewed. D.

Why are atoms so important?

Which of the following is the best example of homeostasis in the human body? and why?