Basaltic igneous rocks are
a.
light-colored
c.
rich in iron and magnesium
b.
lower in density than granitic rocks
d.
both a and b

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

What element is able to combine with itself and hydrogen to form large molecules ?

Draw a simple labelled diagram if a collenchyma tissue