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3 years ago

12

A by-product of photosynthesis that is not used by the plant, but rather released into the air, is ________________.

1 answer:

Pie3 years ago

5 0

Answer: I think is carbon dioxide!!

Explanation: ( i havent learned about photosynthesis in a long time :) )

hope i helped!! also have a good day!

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1. an adaptation to meet the need for food:A

True [87]

An adaptation is a physical or behavioral feature that helps an animal stay alive.

1. An adaptation an animal needs to meet the need for food: Sharp teeth.
An adaptation to meet the need for water: A tongue.
An adaptation for shelter: Sharp claws to climb trees for shelter.

3. Starts storing more fat, bears a warmer coat, and sleeps for hibernation.

5. If it's cold outside, fur can help keep an animal warm. A chameleon uses his skin (or covering) to blend into this surroundings.

6. "A". Sharp eyesight.

I hope this helped you!

4 0

3 years ago

What determines the velocity of an object? Its acceleration at a given point in time Its weight in a given location Its displace

tensa zangetsu [6.8K]

We can confirm that the velocity of an object is determined by the displacement of the object over a period of time.

<h3>How do we know that displacement and time determine velocity?</h3>

We know this by analyzing the scientific formulas created to measure the velocity of an object. The formula for this is $\frac{d}{t}$ , meaning displacement over a period of time. Since option 3 described this equation perfectly, we can say that this is the correct option.

Therefore, we can confirm that the velocity of an object is determined by the displacement of the object over a period of time.

To learn more about velocity visit:
brainly.com/question/18084516?referrer=searchResults
#SPJ1

7 0

2 years ago

that B) My color is sickle: I have a drop of water in my body when I was given heat, white powder was formed So who am i Lets id

kramer

Explanation:

i don't understood your question ⁉️

and what do u mean by my color is sickle

8 0

3 years ago

I need help with this ASAP PLEASE

Artemon [7]

439.3 g CO2

Explanation:

First find the # of moles of CO2 that results from the combustion of 3.327 mol C3H6:

3.227 mol C3H6 × (6 mol CO2/2 mol C3H6)

= 9.981 mol CO2

Use the molar mass of CO2 to determine the # of grams of CO2:

9.981 mol CO2 x (44.01 g CO2/1 mol CO2)

= 439.3 g CO2

5 0

3 years ago

Gallium oxide, Ga.Oy, forms when gallium is combined with oxygen. A 1.25 g of Ga is allowed to react with excess oxygen and 1.68

mrs_skeptik [129]

Answer : The chemical formula of a compound is, $Ga_2O_3$

Solution : Given,

Mass of gallium = 1.25 g

Mass of gallium oxide = 1.68 g

Mass of oxygen = Mass of gallium oxide - Mass of gallium

Mass of oxygen = 1.68 - 1.25 = 0.43 g

Molar mass of Ga = 69.72 g/mole

Molar mass of O = 16 g/mole

Step 1 : convert given masses into moles.

Moles of Ga = $\frac{\text{ given mass of Ga}}{\text{ molar mass of Ga}}= \frac{1.25g}{69.72g/mole}=0.0179moles$

Moles of O = $\frac{\text{ given mass of O}}{\text{ molar mass of O}}= \frac{0.43g}{16g/mole}=0.027moles$

Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.

For Ga = $\frac{0.0179}{0.0179}=1$

For O = $\frac{0.027}{0.0179}=1.5$

The ratio of Ga : O = 1 : 1.5

To make in whole number we multiple ratio by 2, we get:

The ratio of Ga : O = 2 : 3

The mole ratio of the element is represented by subscripts in empirical formula.

The Empirical formula = $Ga_2O_3$

The empirical formula weight = 2(69.72) + 3(16) = 187.44 gram/eq

Now we have to calculate the molecular formula of the compound.

Formula used :

$n=\frac{\text{Molecular formula}}{\text{Empirical formula weight}}$

$n=\frac{187.44}{187.44}=1$

Molecular formula = $(Ga_2O_3)_n=(Ga_2O_3)_1=Ga_2O_3$

Therefore, the chemical of the compound is, $Ga_2O_3$

5 0

3 years ago