The human stomach needs to maintain a pH level between 1 and 2 in order to properly digest food.

What is true regarding the environment of the human stomach?

Choose 1

(Choice A)
A
It is acidic.

(Choice B)
B
It is basic.

(Choice C)
C
It is neutral.

(Choice D)
D
It can switch between being basic and acidic.

How does human environment effect the biosphere

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.