The study of forces acting upon bodies in motion in the air is called_____?

✅ B. Ozone layer

a: Mantle | b: Ozone layer | c: Tropospheric dust layer | d: Inner core Read more

✅ B. Balls of gass

✅ A. Cell

a: Cell | b: Organ | c: Atom | d: Tissue Read more

✅ B. Red blood cells

a: Platelets | b: Red blood cells | c: Plasma proteins | d: White blood cells Read more

✅ B. 20000

a: 200 | b: 20000 | c: 1020 | d: 2000 Read more

✅ C. maize

✅ D. Using efficient appliances and switching off unused devices

a: Opening a refrigerator door for long periods | b: Blocking ventilation filters | c: Leaving every light on | d: Using efficient appliances and switching off unused devices Read more

✅ A. DNA

a: DNA | b: Starch | c: Chlorophyll | d: Haemoglobin Read more