3 years ago

3. When a blood drop lands on a surface at a 90 degree angle, what shape is the drop in typically?

Biology

2 answers:

Jobisdone [24]3 years ago

8 0

Answer:

spherical shape

Explanation:

Left: passive bloodstains. Right: bloody shoe print transfer pattern. Because blood demonstrates surface tension, or cohesive forces that act like an outer skin, a drop of blood dropped at a 90° angle forms a near-‐perfect spherical shape.

Diano4ka-milaya [45]3 years ago

6 0

Answer:

An oval or a circle.

Explanation:

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