Questions by Xlrg

Questions by Xlrg

What species may have been the first to use crude tools? Homo habilis Homo erectus Australopithecines Homo sapiens

asked Jan 21, 2018

2 answers

4 votes

24.5k views

How do mitosis and meiosis differ in the division of genetic composition? Mitosis produces two genetically different daughter cells but meiosis produces four genetically identical daughter cells. Mitosis

asked Mar 8, 2017

2 answers

3 votes

63.9k views

Bricklayers use the formula N = 7LH to estimate the number of bricks N needed to build a wall of height H and length L. What is the height of a wall that is 30 feet long and that requires 2,310 bricks

asked Jan 28, 2017

1 answer

0 votes

74.4k views

A count went from 605 to 203. What was the approximate percent decrease? Round the numbers to find an estimate of the percent decrease. The percent decrease was approximately 25%. The percent decrease

asked Jan 25, 2017

2 answers

1 vote

163k views

Which expression has a value of 0? A. 4 – 4 ÷ 4 + 4 B. 4 – 4 ÷ 4 · 4 C. 4 · 4 – 4 ÷ 4 D. 4 ÷ 4 – 4 + 4

asked Apr 12, 2016

2 answers

3 votes

212k views

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