Answer:
alligators protect their offspring by digging a hole where they bury their eggs and stay all the meanwhile on top of the hole protecting their offspring. baby alligators can be eaten by birds and snakes. they for short periods of time take a break to hunt for food. when their hatchling hatch they keep them in their mouth until they're in the water. alligators are good protecting their offspring.
seahorses make the males take care of their baby's till they are born and male seahorses join together in groups to help protect eachother. once the babies are born male seahorses are still together helping raise their pups
Alligators bury their eggs in a hole that they have dug, and they then spend the entire time on top of the hole guarding their young. Therefore, by below given ways animals take care of their offspring.
What is offspring?Offspring refers to the new organism that an organism creates via the act of reproduction. Both birds and snakes can consume young alligators. They stop for brief periods of time to go food hunting. They hold their hatchlings in their mouths until they are in the water after they hatch. Alligators do a superb job of safeguarding their young.
Male seahorses form groups to assist defend one another, and they are required to care for their young until they are born. Male seahorses continue to work together to nurture their young after the babies are born.
Therefore, by above ways animals take care of their offspring.
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Which energy transformation describes what occurs in a circuit? (select
the BEST answer)
chemical --> electrical --> light
thermal --> chemical --> light
electrical --> thermal --> light
Olight --> thermal --> chemical
Answer:
electrical --> thermal --> light
Explanation:
Answer:
electrical--> thermal--> light
Which of the following is not an organ in the nervous system?
How many moles of Na2SO4 can be made with 7.28 mol of H2SO4?
Answer:
7.28 mol Na2SO4
Explanation:
Since it is already in moles, all we have to do is use a molar ratio
A molar ratio is the proportions of reactants and products using the balanced equation. When writing a mole ratio, the given information must cross out with the right thing.
7.28 mol H2SO4 * 1 mol Na2SO4/1 H2SO4 = 7.28 mol Na2SO4
*notice how the H2SO4 crosses out
The number of......... in an atom is the difference between the mass number and the atomic number
A-Electrons
B-Neutrons
C-Protons
Answer: While the mass number is the sum of the protons and neutrons in an atom, the atomic number is only the number of protons. The atomic number is the value found associated with an element on the periodic table because it is the key to the element's identity.
MARK ME BRAINLIST
20 mL of NaOH solution was added to the conical flask. Indicator was added & titrated with 0.1 M HCl solution. The HCl used in the titration was read as 18.3 mL. What is the molar concentration of NaOH?
Answer:
[NaOH] = 0.1 Molar ... Note => the brackets around formula;i.e., "[ ]" is generally accepted in the chemistry community as concentration in Molar terms.
Explanation:
The metathesis rxn, or double replacement rxn, equation is:
(Molarity x Volume) of acid = (Molarity x Volume) of base, or
(M·V)acid = (M·V)base => M(base) = M·V(acid)/V(base)
= 0.1M × 18.3ml / 20ml = 0.0915M(base) = 0.1M (1 sig-fig) = [NaOH]
BRAINLIST!!
Which of the following describes a process of weathering?
A.
Rocks along the coast are broken up by waves crashing into the shore.
B.
Glaciers carry boulders from mountaintops to low-lying plains.
C.
Mud, silt, sand, and pebbles are carried across the region by running water.
D.
The wind lays down sediment to form small hills called dunes.
Answer:
D or C.
Explanation:
Sorry if its wrong
Answer:
A. Rocks along the coast are broken up by waves crashing into the shore.
Explanation:
Why is 1/t used as a measure of rate of reaction?
1/t denotes that the reaction order is of the first order. That is, the rate of reaction is directly proportional to the concentration of the reactant. Because scientists use standard units, 1/t equals one divided by one second.
What do you mean by first order reaction ?The term first order reaction is defined as a chemical reaction in which the reaction rate is linearly dependent on the concentration of only one reactant.
In other words, a first-order reaction is a chemical reaction in which the rate varies as the concentration of only one of the reactants changes.
Because a reaction that takes longer to complete is obviously a slower reaction. A fast reaction is one that takes less time to complete. 1/t simply provides a quantitative value for comparing reaction rates.
Thus, 1/t denotes that the reaction order is of the first order.
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Which of the following is true about daughter cells?
A
They are genetically identical.
B
They each have their own nucleus.
C
They will most likely undergo mitosis.
D
all of the above
d. all of the above
AnswerD:
Explanation:
HELP ASAP GIVING BRAINLIEST FIVE STARS AND HEART!
Answer with at least 5 sentences in your own words:
What are two properties of electromagnetic radiation?
Answer: In empty space, electromagnetic radiation will fly. Some kind of material must pass across most other forms of waves. In order to be heard, for instance, sound waves require either a gas, solid, or liquid to travel through.
please help me!! (brainliest)
Answer:
ok
Explanation:
Which is one of the Lewis structures for ozone?
000
:0:00
C:6
Answer:
D
Explanation:
Option D is the correct Lewis structure of ozone.
Ozone is known to be an allotrope of oxygen which has three atoms of oxygen.
In the Lewis structure of ozone, one pair of oxygen is actually double-bonded while the other is single-bonded. In this structure, two oxygen atoms carry charges. In the drawing the Lewis structure of ozone, we discover that one oxygen atom of the ozone has a -1 charge and while another oxygen atom of the ozone has a +1 charge.
When silver nitrate (AgNO3) dissolves in water, the temperature of the solution decreases.
Explain your answer
Answer:
The enthalpy of solution for AgNO3 is positive because the temperature of the solution decreases (the dissolution is endothermic). Hsol = Hsolute + Hsolvent + HmixHsolute and Hsolvent are endothermic because energy is required to overcome intermolecular forces and separate solute and solvent particles.
Answer:
the enthalpy of solution for agno3 is positive because the temperature of the solution decreases. (the dissolution is endothermic.)
Delta H sol=delta HSolute +delta H solvent +delta H mix
HSolute and H solvent are endothermic because energy is required to overcome intermolecular forces and separate solute and solvent particles.
H mix is exothermic because energy is released when intermolecular forces form between solute and solvent particles.
if the overall enthalpy of solution is positive, then HSolute + H solvent must be larger in magnitude than H mix.
Explanation:
correct on edge2021
If one of the cars began with 5.6 liters of gasoline and oxygen, how much water and carbon dioxide do you think would be produced from that gasoline and oxygen?
Answer
5.6 L
Explanation:
whatever you start with, you end with the same amount.
(LAW OF CONSERVATION)
The amount of oxygen and gasoline that can be produced is 5.6 liters
The question above is answered with the law of conversation of mass. This law of conversation of mass states that no form of energy can be destroyed, instead it is changed from one form to another type of form.
In this law, it is expected that you end with the same amount you started with. According to the question above, since the amount that you started with is 5.6 liters then you will end with 5.6 liters also.
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Plssss helppp quick it’s for science and I don’t get it
BRAINLIEST Give examples of at least three critical questions of society that science can help answer.
Answer:
1. How did life begin?
2. Are we alone in the universe?
3. What makes us human?
The bouncing of a wave off an object is called a what
Answer:
Reflection-energy waves bouncing off the surface of an object
Explanation:
define satt and give an example?
Answer:
Heyy..Here is your answer..Satt is the German word for full and it most likely comes from the same Latin word that saturated.Hope it helps..!!
The solubility of substance (Z) is 40g/100ml of water at 25°C. A)Can you
make a saturated solution if you add 120 g. of (Z) to 450ml of water at
25°C?
-
can anyone help me?!!!??!?!
Answer:
No, It would be a unsaturated solution
Explanation:
The solubility of a compound gives us information about how a compound may dissolve or not in a determinate solvent.
In this case we have Z, which in 25 °C the solubility of this compound is 40g/100 mL water. This means that if we have 60 g of Z and try to dissolve it in 100 mL of water, only 40 g of Z will solve and the remaining 20 g will be in the water as precipitate or remaining solid.
Now if you just put 40 g of Z in 100 mL water, it will dissolve completely in water, and in this case, we have a saturated solution. A saturated solution is when you dissolve a determinated quantity of a solute in a determinated quantity of solvent, without remaining of solid or excess of solvent.
According to this explanation, we now have 120 g of Z. To make a saturated solution of Z with this quantity, well, let's do math. If 40 g dissolves in 100 mL, then 80 g would be 200 mL and 120 g would have to be 300 mL of water. But in this case, we have 450 mL of water, we have more than 300 mL, an excess of water, so, the 120 g will dissolve but it's dissolved in more than the needed quantity to be a saturated solution, therefore, we have an unsaturated solution of Z (more solvent than the needed).
Hope this helps.
Which organism is a producer? A:owl B:mouse C:grass D:snake please somebody help me
Answer:
I think it's C. Grass. :)
What is evolution?
1. Quick change in an organism to eat better
2. A change in the environment
3. Gradual change in the environment due to global warming
4. Gradual change of a species to be better suited for the environment
Answer:
The correct answer is option 4.
Answer:
4 Gradual change of a species to be better suited for the environment
Explanation:
Using the formula :Force × Distance = Work Perfomed , Match the Force × Distance problems with their correct Work Performed answer?
Which type of organism is responsible for performing the majority of nitrogen fixation?
Answer:
B. bacteria
Explanation:
they are responsible for the fixation of nitrogen
Answer:
the answer is B bacteria
Match each term to its description. Match Term Definition Excess reactant A) Amount of product predicted to be produced by the given reactants Limiting reactant B) Reactant that can produce more of the product Theoretical yield C) Reactant that can produce a lesser amount of the product
Answer:
Excess reactant - Reactant that can produce more of the product
Limiting reactant - Reactant that can produce a lesser amount of the product
Theoretical yield - Amount of product predicted to be produced by the given reactants
Explanation:
In every chemical reaction, there is a limiting reactant and there is an excess reactant.
The limiting reactant determines the amount of product obtained. It is the reactant that produces a lesser amount of the product.
The excess reactant is known to be the reactant that produces a greater amount of the product.
The theoretical yield is calculated using the limiting reactant and is the amount of product predicted to be produced by the given reactants.
What is the approximate volume of 280 g of chlorine gas (Cl2) at STP
78 L Cl₂
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to RightChemistry
Atomic Structure
Reading a Periodic TableSTP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 KStoichiometry
Using Dimensional AnalysisExplanation:Step 1: Define
280 g Cl₂
Step 2: Identify Conversions
[PT] Molar Mass of Cl - 35.45 g/mol
Molar Mass of Cl₂ - 2(35.45) = 70.90 g/mol
[STP] 1 mol = 22.4 L
Step 3: Convert
[DA] Set up: [tex]\displaystyle 280 \ g \ Cl_2(\frac{1 \ mol \ Cl_2}{79.90 \ g \ Cl_2})(\frac{22.4 \ L \ Cl_2}{1 \ mol \ Cl_2})[/tex][DA] Multiply/Divide [Cancel out units]: [tex]\displaystyle 78.4981 \ L \ Cl_2[/tex]Step 4: Check
Follow sig fig rules and round. We are given 2 sig figs.
78.4981 L Cl₂ ≈ 78 L Cl₂
A cation with a +4 charge has 26 neutrons and 18 electrons. What is the identity of the element?
mag aral wag puro brainly
Someone help me please!!!
A. 6 moles
B. 9 moles
C. 3 moles
D. 20 moles
I think please check me, in case I am wrong
This image shows a...
Answer:
I think is the last one!!!! punnet square ⬜
How many eggs are in 1 mole of eggs?
Answer:
I believe it is Avogadro's number: 6.022 × 10²³
Explanation:
One mole of a substance is equal to 6.022 × 10²³ units of that substance
If an element is very reactive, is it more likely to be found in elemental state or in a compound?
Answer:
Compound state
Explanation:
Because reactive elements mostly react immediately with other elements
the seven continents used to be one huge supercontinent called Ppaonderosa, Panhandle, Pangaea, Panthalassa
Answer:
Pangaea
Explanation:
Answer:
Pangea
Explanation:
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It assembled from earlier continental units approximately 335 million years ago, and it began to break apart about 175 million years ago