1 Predict Check Tor F to show whether you think
each statement is true or false.
2 5
1
All branches of science have
scientific theories.
OOO 0-:7
A scientist an use only one
method to investigate.
Theories are scientific Ideas
that have not yet been tested.
Scientific laws describe what
happens in the world.
0

When describing down syndrome, it's important to note that a. it can be classified as a single-gene disorder b. it is caused when red blood cells cannot properly form hemoglobin c. it causes infected males to have low testosterone levels d. it is usually caused by three copies of chromosome 21 select the best answer from the choices provided. a b

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.