Name
period
directions: for each picture decide whether that organism reproduces asexually
or sexually. place an a for asexual reproduction or an s for sexual reproduction
next to each number in the box.
1. paramecium
2. snake
3. ostrich .
4.flatworm

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

They can measure  the amount of energy gained or lost