15Points !
define the mississipian period and give two major events

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?