HELP ASAP FOR BRAINLIEST! Which of these describes a nebula?

A. star much larger than the sun
B. star close in size to the sun
C. cloud of gas and dust
D. cloud of gravity and pressure

Type the correct answer in the box. use numerals instead of words. fiona has a lovely flower bed in her yard. she wants to add a fence along one side of the flower bed. the fence material is sold in meters. fiona knows that her flower bed is 200 centimeters in length. how much fencing material does fiona need in meters? fiona needs meters of fencing material for her flower bed.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?

Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.