Científicos de la NASA han investigado formas de producir alimentos sintéticos para uso en las misiones espaciales. Una de ellas consiste en elaborar carbohidratos sintéticos mediante un proceso que sustituye la fotosíntesis natural. ¿Cuál gas es esencial para producir estos carbohidratos sintéticos?

A. oxígeno
B. hidrógeno
C. vapor de agua
D. dióxido de carbono

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.