Astudent is scratching a mineral on a white plate in science class. what property is this student testing?

a
luster

b
cleavage

c
color

d
streak

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

The distribution of related animals and plants across the world

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit