Answer:
Protists help break down dead material and help produce oxygen
Explanation:
I just took the quiz on k12
<em>Structure and Function of ArthropodsArthropods range in length from about 1 millimeter to 4 meters (about 13 feet). They have a segmented body with a hard exoskeleton. They also have jointed appendages. The body segments are the head, thorax, and abdomen. </em><span><em> In some arthropods, the head and thorax are joined together as a cephalothorax.</em></span>
The small particles of rock or the remains of living things that make up sedimentary rocks are called cement<span>.</span>
Hey,
option (C) is right ...
Saturated and liquid at room temperature i believe