Which of the following contains groundwater?

A:an aquifer

B:a river

C:an ocean

D: a lake

Typhus is: A) treated with antibiotics B) can be prevented with a vaccine C) is most common during the spring and summer D) all of the above

The 150-million-year-old Archaeopteryx fossil has birdlike features such as feathered wings, but it also has characteristics that we associate with living reptiles. Which of the following are considered reptilian characteristics of Archaeopteryx? a.

Calculate pH a decrease of one unit on the pH scale means a solution is ten times more acidic. a decrease of two units means the solution is 100 times more acidic. how much more acidic is acid precipitation (pH = 4.0) than pure water (PH = 7.0)

Which lists t he main components of Darwins theory of evolution.

When one drug adds or magnifies the effect of another drug it is called?

Define photosynthesis

According to the principal of dominance, if a recessive gene for tallness is paired with another recessive gene for tallness, the organism will be tall may be tall or short will be short

How does the immune system differentiate a pathogen from the body cells?

The nurse is providing care to a child with kawasaki disease. what does the nurse include in the child's plan of care? select all that apply.

Which of the following statements are true? a. Our stomachs are about as acidic as our blood is basic. b. Our stomachs are about as basic as our blood is acidic. c. Our stomachs are far more acidic than our blood is basic d.