4. There are few fishes being caught by fishermen nowadays. Which is the reas 3. What will happen to the population of grasses when horses and carabaos
compete for food?
A. The carabaos and cows will die.
B. The population of grasses will be decreased.
C. The cows will eat more grasses than the carabaos.
D. The carabaos will be affected when there will be no grasses
for this?
A. There are more fishermen catching fish.
B. Fishes go farther into the ocean.
C. Fishes practiced family planning.
D. Fishermen are already rich.
5

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.