Explain the relationship between a noun and an adjective in the singular masculine and plural masculine form for adjectives that end with an o

Read the sentences and choose the correct categories of the verb ser used in the sentences. marta es mi mamá y es paciente. date and personality characteristics relationship and time origin and date relationship, personality characteristics

Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water whichstatement best describes the correct plan for her procedure? the density and the amount of water are controls, and the amount of salt and the type of salt are variablesthe amount of water and the amount of salt are controls, and the type of salt and the density are variablesthe type of salt and the amount of water are controls, and the amount of salt and the density are variablesthe type of salt and the density of water are controls, and the amount of salt and the amount of water are variableso

Answer the question in spanish - use basic spanish im a beginner i do flvs! ¿qué hay en la escuela?