Which of these would remove water from a river?
River water sweeping into the soil
Snow in the mountains above the river melting
A stream flowing into the river
Rain falling in the area near the river

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

Describe pasteur’s results and how they disprove spontaneous generation.

Why do we perceive objects as retaining their brightness under different lighting levels?