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Most insects have small holes in the exoskeleton called _____, which open and close to regulate air flow. bronchi alveoli spiracles trachea
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Asked 4/10/2012 3:36:06 PM
Updated 1/15/2014 5:04:57 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [1/15/2014 5:04:56 AM], Confirmed by jeifunk [1/15/2014 5:04:57 AM]
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User: Most insects have small holes in the exoskeleton called _____, which open and close to regulate air flow. bronchi alveoli spiracles trachea

Weegy: Most insects have small holes in the exoskeleton called TRACHEA, which open and close to regulate air flow.
vrtrooper89|Points 264|

User: Tissues arranged together make up _____, which, when functioning together in groups, make up _____. cells; tissues tissues; organs organs; systems systems; an organism

Weegy: Tissues arranged together make up ORGAN, which, when functioning together in groups, make up SYSTEM.
earnonline724|Points 169|

Question
Asked 4/10/2012 3:36:06 PM
Updated 1/15/2014 5:04:57 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [1/15/2014 5:04:56 AM], Confirmed by jeifunk [1/15/2014 5:04:57 AM]
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1 Answer/Comment
Phagocytosis is the only effective way invertebrates fight disease.
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Simplify. x8 ÷ x4 · x2 User: Simplify. (fg2)4
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Updated 5/12/2015 6:04:03 AM
2 Answers/Comments
x^8/x^4*x^2
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Added 5/12/2015 6:03:21 AM
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(fg^2)^4
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Score: Find the quotient. 23 ÷ 52 User: Evaluate 2x-4y for x = 2 and y = 4.
Weegy: We need at least one more equation to solve this; otherwise there would be an infinite number of solutions. User: Simplify. (-4a3)3·a4 (More)
Question
Updated 6/22/2014 2:30:46 PM
3 Answers/Comments
23 ÷ 52 = 0.4423076923
Added 6/22/2014 2:30:17 PM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [6/22/2014 2:32:28 PM]
2x - 4y for x = 2 and y = 4 is -12.

2(2) - 4(4) = 4 - 16 = -12
Added 6/22/2014 2:30:33 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/23/2014 1:23:30 AM]
(-4a^3)^3 · a^4 = -64a^9 · a^4 = -64a^13
Added 6/22/2014 2:30:44 PM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [6/22/2014 2:34:06 PM]
Find the product. y4 · y6 User: Simplify. x8 ÷ x4 · x2
Question
Updated 5/10/2015 8:06:49 PM
2 Answers/Comments
y^4*y^6
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Added 5/10/2015 7:35:39 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [5/11/2015 1:18:53 PM]
x^8/x^4*x^2
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Added 5/10/2015 8:06:49 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [5/11/2015 1:18:51 PM]
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