What defines a climate zone? An area that has similar average temperatures and precipitation throughout An area that has the same types of plants and animals throughout The average temperature and precipitation in an area over a long period of time The weather conditions in an area at a certain time Please hurry i only have 5 mins

answer; ///(b) it is composed of four protein chains and four heme groups;

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

not sure if this is what you'r looking for nnew= nold

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

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bioteacher101