Acliff is an elongated depression between two hill or mountain. true or false

An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25

Vascular plants like this one use sunlight to make food through te process of photosynthesis most food a sugar is made in the plant's leaves how does te plant move the sugar to other parts?

What is a food web? a. the structure used to trap food b. a set of complex carbohydrates c. a group of interconnected food chains d. the pattern of food nutrition