Biology, 01.09.2019 20:30 ringo12384
Lillian wonders how fast a train can move around a particular curve before it falls off of the track. which of the following is the best way for lillian to figure this out?
a. drive a train along a curve at different speeds until it falls off of the track.
b. build a model train and track, and test one train going around one curve at different speeds.
c. build a model train and track, and test one train going around several different curves at one speed.
d. build a model train and track, and test different-sized trains going around one curve at the same speed.
Answers: 1
Biology, 21.06.2019 19:10
Apopulation has 1000 individuals. over a period of 1 year, 500 newindividuals are born. which equation shows how to calculate the birthrate ofthis population? a. 500 - 1000 = 0.5b. 1000 x 0.5 = 500c. 1000 - 500 = 2d. 1000 + 500 = 1500
Answers: 1
Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 07:20
Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters
Answers: 2
Lillian wonders how fast a train can move around a particular curve before it falls off of the track...
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