If a disease killed all of the frogs in the above food web, which population would be most directly affected in a negative way? A. mice B. owls C. insects D. hawks

Becca was trying to figure out which detergent got the most field stains out of a baseball uniform. Which part of her experiment would be the independent variable?

Two types of organic reactions are (1) addition and sublimation (2) deposition and saponification (3) decomposition and evaporation (4) esterification and polymerization

What does group 4 in the periodic table all have in common

Ester molecules are named for the alcohol and acid that form them using the convention For example, methanol ethanoic acid combine to make methyl ethanoate. Name the esters formed from a. isopropanol methanoic acid b. caproic acid butanol c.

Cindy made tea. She started with 300 grams of water at 20 degrees Celsius. She transferred 18,000 calories to the water. What was the final temperature of the water?

A student used a DCP solution (standardized to 9.98x10-4M) to analyze a sample of extract from 2.50g of solid food. The titration required 22.49mL of DCP. 87.00% of all the ascorbic acid in the food was collected in the extract.

Barium-131 is a radioactive isotope of the element barium used for gastrointestinal tract scans in doctors offices. Barium-131 has a half-life of 10 days.

The name for Na2 O in chemistry

What is the simplest alkane

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