Which statement is true about the effect of red tide or algal bloom on the ecosystem? A) produces toxins that can harm aquatic life
B) decreases amount of oxygen for aquatic producers
C) decreases aquatic food source for humans
D) all of the above

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased