Hypothesis of rainwater harvesting​

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

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.

Asap 1. what happens to particles when a substance gains energy and changes state? 2. what happens to the energy that is lost when water freezes? 3. how does the movement of particles in a stick of butter differ from the movement of particles in a dish of melted butter? 4. as water is cooled, at what temperature do its particles become fixed in place? 5. how do evaporation and boiling differ?