Which type of exercise strengthens the skeletal and the cardiac muscles?

a.

aerobic exercise.

c.

mental exercise.

b.

resistance exercise.

d.

none of the above.

1. Describe the process of enzyme-substrate complex formation.

Why does the cell has a method for producing ATP even when no oxygen is present?

Earths energy sources include both renewable and no renewable resources name a time least three sources o energy that could be used

What field of study led to the Earth's many layers

The length of time for half of the radioactive atoms in a sample to decay is its ...

What two things get thrown out of a cinder cone volcano

Choose the FALSE statement about rocks. A. They are natural substances. B. They must form from solid materials. C. They can form above or below ground. D. They are made of one or more minerals.

Description and function of a phospholipid

English maths biology physics account

Hallie and Jamar built a prototype bridge for a science competition. According to competition guidelines, their final design must hold at least 2 kilograms and span a gap of 0.5 meters. They built a bridge that is 0.75 meters long.