You can have as many controls as necessary, But they must remain equal at all times in order to get the most accurate results
Answer:
Plants need energy from the sun, water from the soil, and carbon from the air to grow. Air is mostly made of nitrogen, oxygen, and carbon dioxide. So how do plants get the carbon they need to grow? They absorb carbon dioxide from the air.
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Variations in electronegativity prompt in the unequal halves of electrons in polar molecules because when one atom is more electronegative than the other, it becomes more polar than the other.
It results in the more electronegative atom to have a slightly negative (-ve) charges, and the other atom to have partial or slightly positive(+ve) charges.
Polar molecules have unequal sharing of electrons because the atoms have unequal attraction for electrons so the sharing is unequal.
The larger the difference in electronegativity between the two atoms, the more the polar the bond.
Hydrogen bonds are involved in unequal sharing of electrons between two atoms.
To know more about variations in electronegativity in polar molecules here :
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Answer:More of the radioactivity is lost during the first half-life than in later half-lives.
Explanation: Passed test with 98
Answer:
27,397.23 L would be needed for a successful trip.
Explanation:
The problem gives us <u>the density (ρ) of the fuel,</u> by telling us that there are 803 g of fuel in 1 L, in which case:
ρ=
The required mass of fuel is 2.2 * 10⁴ kg, we can convert this value into g:
2.2 * 10⁴ kg * 
= 2.2 * 10⁷ g
We calculate the required volume (V), using the mass and density:
Thus 27,397.23 L would be needed for a successful trip.
