What is yo main vein call?

How was the speed of light measured in a precise way? by timing the speed of falling meteorites by using rotating mirrors to measure light's round trip travel to a distant mountain by timing how long it takes for an assistant far away to turn on a

How do I compute the resistance in ohms of a lead block 15 cm long and 0.10 cm2 in cross-sectional area. (ρ = 2.2 x 10-5 ohm-cm)

How do I use a metric conversions chart

A car moves around a circular track at a constant rate. What must change? A. only it's speed B. only it's velocity C. both its speed and it's velocity

Any material from Which energy can be obtain is called a ___ A - biomass B - hydrocarbon C - fuel D - generator

What is the value of g in m/s^2, rounded to one decimal place

There is a naturally occurring electric field near the surface of the Earth whose magnitude is 80√pi V/m. How much energy is stored per cubic meter in this field?

During the Pleistocene, a land bridge connected Alaska and Asia. What could have caused this bridge to from? the ending of an ice age the beginning of an ice age the erosion of the Alaskan coastline the erosion of the Asian coastline

A rock is shot vertically upward from the edge of the top of a tall building. The rock reaches its maximum height above the top of the building 1.60 s after being shot.

Which of the following effects does low nitrogen availability most likely have on the carbon cycle? a. more carbon dioxide is taken up by plants b. carbon dioxide is trapped in the soil around plants c.