Which is the correct way to ask: "How many carrots are there?" ¿Cuántas zanahorias hay?
¿Cuántos zanahorias hay?
¿Hay cuantas zanahorias?
¿Cuántas zanahorias hays?

The correct way is "¿Cuántas zanahorias hay?"

Explanation:

4) read the following excerpt. cognitive psychology has been widely developed, not only in brazil, but also in the world. it studies human intellectual capacities, analyzing the ways in which people solve mental tasks, and construct models for understanding such processes, understood from the information processing paradigm. this occurs through basic and superior cognitive processes. is one of the basic cognitive processes, considered the gateway to the stimuli that will be processed cognitively. through it we can extract meanings from the external environment, either through vision or through hearing. check the alternative that fits the gap correctly. select an alternative: a) perception. b) attention. c) memory. d) consciousness. e) intelligence.

de estos colores. sounds about right.