7 organic compounds of plant origin​

The electron–pair geometry of a molecule is tetrahedral. what is its bond angle if there are no lone pairs of electrons?

How many pm are there in 3.03 x 10^-14 miles?

What is an effect of gravity on objects on the surface of earth? check all that apply. objects “fall” toward the center of earth. objects are pulled by earth but do not pull on earth. objects accelerate at a rate of 9.8 m/s each second. objects travel at a rate of 9.8 m/s toward the center of earth. objects are pulled by earth more strongly than they pull on earth.