What is the weight of a person with a massa of 80kg

What term refers to the envelope of mixed gases confined close to a planet's surface by the force of gravity? a. atmosphere b. core c. crust d. mantle

geography Which nation in the region has seen its growth rate accelerate, while the majority of the region has seen a decline in growth rates?

A 20 g ball of clay traveling east at 8.0 m/s collides and sticks together with a 10 g ball of clay traveling north at 7.5 m/s. What is the speed of the resulting ball of clay?

Which characteristics are common to amphibians, lemurs, and humans? vertebrae, tetrapod, hair amniotic egg, hair, biped tetrapod, vertebrae tetrapod, hair

The largest diversity of plants and animals on the planet is found in one terrestrial biome. True or false

A. A PH202 student lives next to a construction site and sees a crane with a wrecking ball demolish the building next door. The wrecking ball swings along the wall between her house and the neighbor's house.

Sometimes when you are training for event you may notice a decrease in improvement in level out of performance true or false

Two sailboats leave a harbor in the bahamas at the same time. the first sails at 23 mph in a direction 330°. the second sails at 34 mph in a direction 190°.

What conclusion can be drawn from the statement that an element has high electron affinity, high electronegativity, and a high ionization energy? A) The element is most likely from Group 1A or 2A and in period 1 or 2.

When a cyclist rides past you on the street, this is an example of