Trees that are located in cities and exhibit stunted growth and abnormal leaves and buds have probably been affected by
a) lack of water
b) lack of sunlight
c) lack of proper nutrients
d) smog

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.