Questions in Grade High-school

Questions in Grade High-school

[Done] Why did the United States avoid involvement in World War II until December 1941?

[Done] What is the reference angle for 150 degrees?

[Done] The ratio of red collars to black collars sold at one store is 9 to 10. In one month, 30 black collars were sold. Is 57 a reasonable number for the total number of red and black collars sold that month? Explain.

[Done] At the veterinarian's office, 4 animals out of every 5 seen were cats. A total of 35 animals were seen. a. How many cats were seen? b. The ratio of male cats seen was 6:7. How many of the cats seen were males?

[Done] What is mutation and DNA replication?

[Done] Perform the following calculations. Express the answers with the correct number of significant figures. a) \( 7 \, \text{g} - 3.5 \, \text{g} - 2.75 \, \text{g} = \) b) \( 200.00 \, \text{kg} - 199.0 \, \text{kg} = \) c) \( 25 \, \text{L} - 3.0 \, \text{L} = \) d) \( 0.67 \, \text{cm} + 2.0 \, \text{cm} + 0.090 \, \text{cm} = \) e) \( 104.5 \, \text{g} + 0.40 \, \text{g} = \)

[Done] By default, text is _____ in a cell. A.) left-aligned B.) centered C.) justified D.) right-aligned

[Done] What is the name "Haley" in Spanish?

[Done] Why do most organisms that die not leave a record of their existence?

[Done] Describe an example of a fossil that consists of an entire organism.