10. deep open
make up 90% of oceans and are less than 400 m deep
make up 10% of the ocean and are greater than 400 m deep
make up 90% of the oceans and are greater than 400 m deep
make up 10% of oceans and are less than 400 m deep

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

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page