Calcula la fuerza de atracción entre dos personas. Asume que los dos

cuerpos tienen la misma masa (100 Kg) y que la distancia entre ellas

es d = 1 m El valor de G=10-11 N. m2/kg2

Minerals will form from a solution when the liquid from the solution evaporates. true or false

Which of the following is not a potential concern associated with the use of biotechnology? A. Misuse of cloning B. The production yields of GM foods C. The safety of transgenic foods D. Genetic ownership

Some groups of expert farmers grew potatoes, tobacco, tomatoes, and other plants what is the simple subject A: some group of expert farmers B: groups C: potatoes, tobacco, tomatoes, and other plants D: plants

A species can be characterized by which of the following common characteristics?

Which advance in biology resulted from developments in cell technology? A - somatic cells B-immortal cell lines C - aseptic technique D - tissue typing

Can energy be transferred from animal to animal

The more stomata the more water loss?

Why does it take a long time to develop a new variety of tomato? A. Changes in traits happen gradually, over many generations. B. Many plants resist change. C. Tomatoes cannot acquire new traits. D. A species cannot change over time.

Select the one true statement. Vacuoles store nutrients, water, and waste in animal cells. Plant cells can have chloroplasts but do not have a cell wall.

Using water more effectively A. Protects the environment B. Causes the loss of natural pollution filters C. Increases with contamination D. All of the above