Over 1.5 million different species have been discovered on Earth, and scientists discover about 15,000 new species each year. These species are very different, ranging from bacteria and algae to whales and redwood trees. Select four characteristics that all of these species have in common. A
All species have metabolic functions.
B
All species have cell walls.
C
All species are composed of cells.
D
All species reproduce.
E
All species use sunlight to make food.
F
All species require energy.

THE SUBJECT IS SCIENCE

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?

The answer is c) it has a lower cost to attend