Gasses that contribute to the greenhouse effect

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons