Step 4: Conduct research to support your claim. a) For each part of your claim, conduct research to provide two examples of scientific
information that supports it.
i. Scientific information may be gathered from reputable websites, scientific journals,
and video lessons from scientists or educators, information from government
agencies, or interactive activities from universities or other educational sites.
b) Be sure to take notes in your notebook.
c) Keep track of the sources you use. You will need to cite them later.

individual oxygen atoms are formed during photosynthesis.-c.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…