Space debrisfiltering with strange composition driftihg onto planate composition onto earth with different composition causing new andstrange new diseases ,have we analyzed ingrediets??

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km