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SpyIntel [72]
3 years ago
10

Part C How did Dr. Tierno find the answer to his question?

Chemistry
2 answers:
Ludmilka [50]3 years ago
8 0

Answer:

Dr. Tierno tested the pillows for signs of microorganisms. He took samples from the pillow, then he grew the microorganisms in a petri dish.

Explanation:

This is the answer on edmentum

matrenka [14]3 years ago
7 0
Sorry I cant I just need some points
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Which best explains how insects help flowering plants in reproduction?
ankoles [38]

Answer:

if insects helps in pollination that is called entomophily

Explanation:

Some plants having attractive odor and color which attracted the insects towards it and when they come in contact with flowering plant the seed or pollens which is produced by the male part of plant got attached to their body and when insects travels to other flowering plants pollens sheds to stigma which is female part of flower and in results fertilization occur.

4 0
4 years ago
In a chemical reaction occurring in an open beaker, the reactants have a mass of 10.0 g and contain 1000 j of energy. the produc
sladkih [1.3K]
It would be law of conservation. 

7 0
4 years ago
Read 2 more answers
In an experiment, 12.0dm3 of oxygen, measured under room conditions, is used to burn completely 0.10mol of propan-1-ol. What is
Ksju [112]
2C₃H₇OH + 9O₂ = 6CO₂ + 8H₂O

V(O₂)=12.0 dm³
n(C₃H₇OH)=0.1 mol

n(O₂)=12.0 dm³/22.4 dm³/mol=0.5357 mol

C₃H₇OH : O₂   2:9    1:4.5

0.1:0.5357
oxygen in excess

V(CO₂)=3Vm*n(C₃H₇OH)

V(CO₂)=3*22.4*0.1=6.72 dm³

5 0
3 years ago
Read 2 more answers
the density of glycerin is 1.26 g/cm3. How many pounds/foot3 is this ? use the conversion rates of 454g/1 pound and 28,317cm3/1f
lyudmila [28]

Answer:

78.6 lb/ft³  

Step-by-step explanation:

Let's do this in steps.

1. Convert grams to pounds

D = (1.26 g/1 cm³) × (1 lb/454 g)

   = 2.775 × 10⁻³ lb/cm³

2. Convert cubic centimetres to cubic feet

D = (2.775 × 10⁻³ lb/1 cm³) × (28 317cm³/1 ft³)

   = 78.6 lb/ft³

6 0
3 years ago
love how this app went from getting help with school or homework to a dating app when people are bored ​
const2013 [10]

Answer:

Yeah

Explanation:

6 0
3 years ago
Read 2 more answers
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