Choose the best answer. four major topics written about in nonfiction are:

a. ideas
b. biography or autobiography
c. personal experiences
d. fantasy
e. humor
f. fables

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy