Answer:
The sun, or abiotic factors
Explanation:
Primary producers are organisms that make their own food, such as plants. They do this through photosynthesis, which requires sunlight, water, and carbon dioxide.
Answer:
species loss
Explanation:
it is because they are in least number . They can't produce their young one in large numbers so they are vanishing from planet earth.
Answer:
Greyfields are vacant commercial spaces and empty shopping malls.
Explanation:
Greyfields are basically large objects, usually, ones that were accomodating commercial entities like shopping malls. Because of multiple factors, those shopping malls and other types of commercial entities have closed, mostly because they have been outcompeted by more modern malls that were more attractive to the consumers.
Because they tend to be surrounded by asphalt, and the concrete dominates in the structure, they have been given the name ''grayfields''. Even though they stay unused in the urban landscape, they often offer every condition for a mall to be restarted, as the facilities are there, they tend to have a good location and are well connected with infrastructure.
Answer:
a Political map
Explanation:
focuses on government or administrative boundaries showing countries, states and counties, as well as the location of capitals and major cities.
Answer:
You shake a few drops of your alcohol with the reagent in a test tube. A tertiary alcohol reacts almost immediately to form the alkyl halide, which is insoluble and forms an oily layer. A secondary alcohol reacts within 3 min to 5 min. A primary alcohol does not noticeably react with Lucas reagent at room temperature.
Explanation:
