Answer the following questions

1. What are two sources of carbon dioxide in air?

2. what are trace gases

3. what are 2 processes that use oxygen?

Which of the following is an example of Cross-Contamination? A. A customer breaks their tooth after biting into a hamburger with a piece of glass mixed into it. B. A customer gets sick with E.

A plant contains the alleles Gg for green pod color. It is crossed with a plant that has the alleles gg for yellow pod color. The offspring have green pods. What is the allele combination? DONE done

Which phase of cell division includes pinching off or cleaning of the cell into two new cells

Charles darwin was influenced by three scientists of his time: charles lyell, jean-baptiste de lamarck, and georges cuvier. what common theme from their work inspired darwin's theory of evolution through natural selection?

Which of the following best describes natural selection? 1. A tornado wipes out 95% of a beetle population and is repopulated with the remaining beetles; 2. Some wombats have longer nails, enabling them to obtain food more efficiently and survive; 3.

During the process of meiosis, how many haploid cells are formed from the original diploid cell?

A researcher identified a bacterial enzyme that is essential in the breakdown of glucose. The researcher wants to test a potential antibiotic that acts on the newly identified enzyme.

What type of bonding exists in network solids?/?

Which of the following statements summarizes the differences between active and passive transport? A. only active transport requires energy (ATP) and moves molecules from low to high concentration B.

When Jacob starts running, his legs move faster and his heart rate increases. Which types of muscles are involved in these changes