3 years ago

How does an atom become an ion

2 answers:

8 0

When it gains or loses an electron. When it gains an electron, it becomes negatively charged. When it loses an electron, it becomes positively charged.

Hatshy [7]3 years ago

6 0

When it loses or gains a electron

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How does water move from roots to leaves

LenKa [72]

Answer:

Xylem

Explanation:

Water moves from the roots to the leaves through tissue called the xylem, in a process called transpiration. As water evaporates out of the leaf, more water is 'pulled upwards' to replace what has been lost.

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3 years ago

List three organisms transported by ocean currents.

alekssr [168]

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4 years ago

terry physics pushes a 75kg lab cart so that is accelerates from rest with a velocity of 4.4m/s in 3.1 secounds. what is the for

svetlana [45]

106.5N

Explanation:

Given parameters:

Mass of cart = 75kg

Velocity = 4.4m/s

time taken = 3.1s

Unknown:

Force = ?

Solution:

To solve this problem, we are going to apply newton's second law of motion. The law states that "the acceleration of a body is directly proportional to the force on the body and inversely proportional to the mass".

F = m x a

F = force on body

m = mass of body

a = acceleration of the body

But we know that acceleration is the change in velocity with time of a body;

a = $\frac{change in velocity }{time}$