Water molecules bond easily because the slightly positive charge of the hydrogens are attracted to the slightly negative charge of the oxygen from another water molecule.
question 7 options:
true
false

the backbone of the dna and rna compound is sugar phosphate.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

golgi body just took the test on edge

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.