Explanation

The nucleus is primarily composed of protons and neutrons, collectively called nucleons.

Explanation

 non-magnetic materials are examples

• Rubber
• plastic
• stainless steel
• feather
• paper
• mica
• gold
• Silver
• leather***

  ND18-1-2023

Explanation

The force of friction opposes the motion of an object, causing moving objects to lose energy and slow down.

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ND18-1-2023

Explanation

When the parachute opens, the air resistance increases.

The skydiver slows down until a new, lower terminal velocity is reached.

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ND18-1-2023

Explanation

• Producers, also known as autotrophs.
• They are organisms that can produce their own food through photosynthesis, using water (H2O), carbon dioxide (CO2), and sunlight to produce glucose and oxygen.

Explanation

• Have indefinite shape
• Have indefinite volume
• Can be compressed

Explanation

• If an opaque object is moved closer to the light source, the shadow gets bigger.
• This is because the light source appears larger and more intense from a closer distance, casting a larger shadow.

Explanation

A solar eclipse occurs when the Moon passes between Earth and the Sun,

thereby obscuring the view of the Sun from a small part of the Earth, totally or partially.

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rk17123

Explanation

The normal body temperature is:37C

The average normal body temperature is generally accepted as 98.6°F (37°C).

A temperature over 100.4°F (38°C) means you have a fever

Additional Information:

Hypothermia is the term used for temperature less than 36.50 C

Mild Pyrexia is the term used for temperature (99-100 F)

Moderate Pyrexia is the term used for temperature (100-103 F)

Severe Pyrexia is the term used for temperature (103-105 F)

Explanation

• The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom.
• Consider the table below, which shows data from the first six elements of the periodic table.
• Consider the element helium.
• Its atomic number is 2, so it has two protons in its nucleus.