Answer:
The major functions of the circulatory system is it delievers oxygen and nutrients to cells and takes away wastes.
Explanation:
Hope this helps! :)
<span>Rocks can best be identified by their mineral content. This is
because rocks are composed of one or multiple numbers of minerals. Quartz,
calcite, feldspars, and micas are examples of minerals that make rock formations
possible.
Rocks are the basic component of the Earth's crust. Mountains, hills, and
volcanoes are examples of rock formations that occur through time on Earth. One
can find rocks all over the Earth and most are usually under the soil. Rocks
can be further classified as igneous, sedimentary, or metamorphic rocks.</span>
I think it's D) atmospheric carbon dioxide.
Answer is B. Heliotropism
