Answer:
desierto, ecología, energía, medio, mundo, recurso
Explanation:
la energía solar.
no hay agua en el desierto.
un recurso natural.
la ecología marina.
el medio ambiente.
Aquí estamos en la mitad del mundo.
energía -- energy -- a feminine noun in Spanish language. It is always accompanied by a definite female article -- la for singular, las for plural.
ecología -- ecology -- a feminine noun in Spanish language. It is always accompanied by a definite female article -- la for singular, las for plural.
el desierto -- desert -- in Spanish language, it's a masculine noun that is always accompanied by a definite masculine article, el for singular form and les for plural form.
el recurso -- resource -- it's a masculine noun. It is always accompanied by an adequate definite article, in this case, masculine. El is for a singular form, while les is used for plural.
el medio ambiente -- environment -- a Spanish masculine noun. This word was formed with two separate words -- medio ( half ) and ambiente ( ambient ). It's accompanied by an adequate definite masculine noun, el for singular form, les for plural form.
el mundo -- world -- a masculine noun in Spanish language. It always goes together with a definite masculine article. El for singular, and les for plural. In Spanish, it has many different uses -- astronomy, the Earth, planet, group of people, etc.