Awnser is d hope this helps
Well for starters, producers are living organisms that produce their own food. Like plants. And plants ironically provide us humans with oxygen as they live off of the carbon dioxide we produce. Some plants are also main vegetables that we eat, so put simply, a world without producers would be practically oxygen-less and vegetable-less.
Bio tic Factors. An ecosystem is a community of organisms that interact with each other and with the and biotic factors in their environment. Abiotic factors are chemical and physical factors such as temperature, soil composition, and climate, along with the amount of sunlight, salinity, and pH.
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FaithRawlins14
AB Rh D are the universal recipients. Hope this helped
Answer:
d. all of these
Explanation:
because of course scientists needs
experiments, observation and as well
as object measurements while inventing
some new objects.
