A143 kg astronaut is floating in
space. she throws a 0.725 kg
wrench forward at 13.8 m/s. what
is her recoil velocity?

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to move. 

When is this