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Llana [10]
3 years ago
13

Explain two ways in which water’s properties help sustain life. Earth Science

Physics
2 answers:
alexandr1967 [171]3 years ago
8 0

Answer:

capillarity and water’s relatively high specific heat are two properties of water that help sustain life. Capillarity is used by plants to get water from the ground through their roots to their leaves. Water’s high specific heat helps animals by helping regulate their body temperatures as they sweat or pant.

Explanation:

the sample answer on edge 2021

hjlf3 years ago
6 0

Answer:

Water is essential for all living things. Water's unique density, high specific heat, cohesion, adhesion, and solvent abilities allow it to support life.

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Sara walks part way around a swimming pool. She walks 50 yards north, then
Mekhanik [1.2K]

Answer:

20 Yards

Explanation:

|---20----|

|            |

| 50       |50

|---D--->|

Start      End

Total displacement(D)  20 yards (East).

7 0
3 years ago
PLEASE HELP ME!! What is the difference between direct current and alternating current?
Paha777 [63]
In a direct current the electric charge flows in one direction.
in an alternating the electric charge changes in its direction periodically.
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Chứng minh V=kq/r từ mối liên hệ giữ E và V
Marat540 [252]

Answer:V=Aq=KQr

Explanation:

Không biết V bạn kí hiệu ở đây là gì nhỉ? Có phải là điện thế?

Điện thế tại 1 điểm trong điện trường được định nghĩa là công làm vật dịch chuyển từ vị trí đó đến vô cùng. V = A/q

Chứng minh thì được, nhưng chỉ e bạn không có hiểu biết về nguyên hàm, tích phân nên không hiểu.

- Xét tại vị trí cách điện tích Q một đoạn x, khi đó điện tích q sẽ chịu 1 lực: dF=KQ.qx2

Điện tích q dịch chuyển 1 khoảng dx rất nhỏ. Khi đó công do lực điện trường gây ra là:

dA=dF.dx=KQ.qx2dx

Công để dịch chuyển điện tích q từ vị trí r đến vô cùng là:

A=∫∞rdA=∫∞rKQ.qx2dx=KQ.qr−KQ.q∞=KQ.qr

Theo đúng định nghĩa: V=Aq=KQr

4 0
3 years ago
Whose atomic theory explains how atoms emit and absorb light
VARVARA [1.3K]
Darwin's atomic theory which states that atoms do not emit or absorb energy so far as they remain in allowable orbits or ground states.It also states that a spectra is produced when an electron moves to a lower energy level thereby releasing energy.
5 0
3 years ago
One nucleus contains 31 protons and 40 neutrons another nucleus contains 31 protons and 41 neutrons what can you conclude about
Pavel [41]

They are isotopes of the same element.

5 0
3 years ago
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