Recent activity by Leandro Alves

Recent activity by Leandro Alves

Begin a story with we set off early in the morning for school

asked Nov 9, 2023

1 answer 118k views

Top 10 biggest countries in the world.

answered Nov 8, 2023

2 answers 140k views

Explain how a lithium ion develops a +1 charge when it loses one electron.

answered Oct 25, 2023

1 answer 160k views

How many different ways can a race with 7 runners be completed?

answered Sep 9, 2023

1 answer 150k views

Which type of molecule supports a tree's tall structure? A. Polysaccharide B. Polypeptide C. Monosaccharide D. Protein

asked Aug 24, 2023

1 answer 206k views

What is a federal government? a. A government led by a king or queen b. A system of government where the leader is given unlimited power c. A main or central government d.A government where the leaders

answered Jul 4, 2023

2 answers 140k views

Which equation shows a proportional relationship between x and y?DA. Y = 3xB. y = 3x - 1C. y = 2 + 3D. None of these

answered Apr 22, 2023

1 answer 17.7k views

What do you add to 5 8/9 to make 7

answered Apr 12, 2023

1 answer 156k views

Which of these is an example of a physical property? A. Iron rusts when exposed to air. B. Table salt is a white crystal. C. Sodium oxidizes in air. D. Potassium ignites when placed in water.

answered Feb 1, 2023

1 answer 136k views

The Greek roots of the word prokaryote mean “before nucleus.” Describe the way that DNA is organized in prokaryotic cells without the help of a nucleus. How does this approach differ from the way that

answered Dec 12, 2022

1 answer 159k views

Please help...not asking for a long answer but the right answer I a short answer

asked Dec 5, 2022

1 answer 232k views

A patient comes to the doctor's office because his or her blood pressure is high. The doctor asks if the patient has been taking his or she blood pressure medicine and the patient says "no." What is the

asked Oct 19, 2022

1 answer 211k views

Terrorist attacks by extremist groups have occurred (5 points)

answered Aug 13, 2022

1 answer 27.6k views

Y = 2x + 1 x - y = -3 Is (2, 5) a solution of the system? Yes No

answered Jul 28, 2022

1 answer 235k views

Which one of the following physical quantities has S.I unit m)s ? 1) acceleration 2) velocity 3)Density 4) force

answered Jul 23, 2022

2 answers 51.7k views

If presynaptic action potentials impinging on a postsynaptic neuron, with long intervals between each action potential, fail to stimulate the p ostsynaptic neuron to produce action potentials, but those

asked Jul 12, 2022

1 answer 2.6k views

What is the range of the function f(x) = -2(6^x) + 3? o (-inf,-2] 0 (-inf,3) O [-2,inf) O [3,inf)

asked Jun 18, 2022

1 answer 207k views

Please help me if you can thank you.

answered Jun 14, 2022

2 answers 203k views

10 Biofuels are renewable resources because they are made from corn or sugar cane. In what ways are biofuels and fossil fuels similar?* 5

answered May 21, 2022

1 answer 207k views

The author considers which fact ironic? O Farnsworth was born on a farm. O Farnsworth received more than one patent. O Farnsworth started inventing things at an early age. O Farnsworth did not want his

asked May 18, 2022

1 answer 143k views

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